Xiaomi MI Mix: Any chance to unlock LTE band 200 (800Mhz) ?! - Xiaomi Mi MIX Questions & Answers

Hey guys.
I just want to know or even better discuss, whether there is any chance or already a method to unlock LTE Band 20 (800Mhz) for the brand new Mi MIx ?
I have not much knowledge about this kinda stuff, but I own a Mi MIx and it would be pretty nice if some guys know about the problem and want to support this thread or in advance already have a solution; for eg. a ported Baseband or something we can use/flash.
I have already heard about this topic in the Mi5s forum and a lot of people where it seems to work and also a lot where it does not.
So please feel free to discuss (gently)

Hey dude congrats for the Mix.
I have seen somewhere here in XDA a way to replace the phone region bands with another, look around and i will do as well, Good luck
أرسلت من HUAWEI NXT-L29 بإستخدام تاباتلك

@ROIDjoy Thanks for the reply.
Nice info. So in this case I will search the forum.
Do you remember at least the section where we could find the information, eg. "Xiaomi section" ?
If any of the other members have more or diffrent info, feel free to reply
ps. I have found this in xda google search. Do you talk about that ?
https://www.xda-developers.com/add-frequency-bands-qualcomm/
https://www.xda-developers.com/remove-band-restrictions-qualcomm/
http://pocketnow.com/2014/10/31/extra-smartphone-radio-bands

http://forum.xda-developers.com/mi-...how-to-unlock-lte-frequency-bands-mi-t3215880

With almost any Qualcomm device you can enable software-wise any band you wish with the NVbrowser.
However, its a matter whether the hardware (mainly the modem) supports this frequency or not.
Its like enabling 64bit on your Win machine, if you do not have a 64bit CPU it doesn't help.
That was the main problem for U.S. Moto phones in the past, you could enable software wise band 20 for EU but the modem just didn't support it. But its much easier to find out about phones that are released to U.S. markets since they have to go through the FCC and you can look up the hardware specifications in the FCC database.

dagoban said:
With almost any Qualcomm device you can enable software-wise any band you wish with the NVbrowser.
However, its a matter whether the hardware (mainly the modem) supports this frequency or not.
Its like enabling 64bit on your Win machine, if you do not have a 64bit CPU it doesn't help.
That was the main problem for U.S. Moto phones in the past, you could enable software wise band 20 for EU but the modem just didn't support it. But its much easier to find out about phones that are released to U.S. markets since they have to go through the FCC and you can look up the hardware specifications in the FCC database.
Click to expand...
Click to collapse
we still don't have Mi MIX Diag driver to try ...

Just thought I'd also say I'm very interested to see if this is available as well!

dagoban said:
With almost any Qualcomm device you can enable software-wise any band you wish with the NVbrowser.
However, its a matter whether the hardware (mainly the modem) supports this frequency or not.
Its like enabling 64bit on your Win machine, if you do not have a 64bit CPU it doesn't help.
That was the main problem for U.S. Moto phones in the past, you could enable software wise band 20 for EU but the modem just didn't support it. But its much easier to find out about phones that are released to U.S. markets since they have to go through the FCC and you can look up the hardware specifications in the FCC database.
Click to expand...
Click to collapse
would TENAA site be of use? not sure as never tried to look for info there - quite often you will see something about some new device cropping up at TENAA (China equivalent of FCC)
http://www.tenaa.com.cn/

Thanks for the replys and I hope we can get more expert information, because especially myself is lacking of the professional know how.
I am not able to proof if the modem of the Mi Mix is able to get a signal of 800mhz with the right software.
If we know the modem can, so it would be possible (for the right guys) to write a software solution I think.

Anybody got an update on this?

@PJF16: Not successful by now :-/
I think we need an patched NON-HLOS.bin with components (config files) of an Snapdragon 821 / MSM8996 that supports band 20 - eg. the google pixel XL -> https://madeby.google.com/phone/specs/
Sadly enabling the band through Qualcomm tools only (NV-Browser) is not enough.

-----delete me-----

raupe said:
@PJF16: Not successful by now :-/
I think we need an patched NON-HLOS.bin with components (config files) of an Snapdragon 821 / MSM8996 that supports band 20 - eg. the google pixel XL -> https://madeby.google.com/phone/specs/
Sadly enabling the band through Qualcomm tools only (NV-Browser) is not enough.
Click to expand...
Click to collapse
The Xiaomi Note 2 modem should satisfy the requirement.

Hey @Leechoonhwee,
thanks for the hint! Ill investigate the momdem config for the mi note 2 - maybe we have luck and can use their NON-HLOS.bin without any mods (but won't count on that).
Maybe some of their config files have to be integrated in the NON-HLOS.bin of an mix ROM.
Actually i have not figured out how to reassemble the NON-HLOS.bin with modified content - this will be step 2

raupe said:
Hey @Leechoonhwee,
thanks for the hint! Ill investigate the momdem config for the mi note 2 - maybe we have luck and can use their NON-HLOS.bin without any mods (but won't count on that).
Maybe some of their config files have to be integrated in the NON-HLOS.bin of an mix ROM.
Actually i have not figured out how to reassemble the NON-HLOS.bin with modified content - this will be step 2
Click to expand...
Click to collapse
From what I see, the cpu is exactly the same as well as most spec. No harm flashing it and try.

@Leechoonhwee OK - I tried the Mi Note 2 NON-HLOS.bin on my MIX aaaaand: it works! -> but not as expected with band 20 :-/
Now lets explain why this happened:
All available ROMs for the Mi Note 2 (where i've extracted the NON-HLOS.bin) are based on the DEV/Stable China Version of Xiaomis device.
Maybe we have more luck when the global ROM has been released to public.
Question @all:
Does someone of you readers has access to an global ROM of the Global Mi Note 2?
(maybe this question has to be copied to the Mi Note 2 forum - but I'm out of time for today

raupe said:
@Leechoonhwee OK - I tried the Mi Note 2 NON-HLOS.bin on my MIX aaaaand: it works! -> but not as expected with band 20 :-/
Now lets explain why this happened:
All available ROMs for the Mi Note 2 are based on the DEV/Stable China Version of Xiaomis device.
Maybe we have more luck when the global ROM has been released to public.
Question @all:
Does someone of you readers has access to an global ROM of the Global Mi Note 2?
(maybe this question has to be copied to the Mi Note 2 forum - but I'm out of time for today
Click to expand...
Click to collapse
Not too sure whether the global version of the note 2 have been released

Leechoonhwee said:
Not too sure whether the global version of the note 2 have been released
Click to expand...
Click to collapse
... it seems a very limited (rare) number of international units have been sold.
The requests for an download of an global rom are even unanswered in the Mi Note 2 forum -> https://forum.xda-developers.com/mi-note-2/help/rom-global-version-t3494238
Maybe we'll have to wait some more weeks when there are more devices in the wild and therefore more activity in the Mi Note 2 Forums.

The "normal" Mi Note 2 doesn't has the Band 20 unlocked. So we defenitely have to wait for the .bin of the Global Version. But I think, that it is a good sign, that the .bin file of the normal Note 2 worked without any hacks.
---------- Post added at 02:36 PM ---------- Previous post was at 02:22 PM ----------
Some useful informations for us and a guy with a Global Mi Note 2.
https://forum.xda-developers.com/mi-5/how-to/progress-trying-to-unlock-bands-t3337476/page69

Any progress on this? I would really like to use b20. Tnx

Related

Xiaomi Mi8 on 3 UK network

Hello, I'm looking for an opinion on this phone. I have had an offer through my carrier to upgrade early, and am interested in this device. This is aimed at members who have bought through the 3 network in the UK.
What's the software experience like?
IS GOOGLE PAY WORKING? (Important)
Are there ads everywhere?
Is there any major drawbacks?
Have you felt the need to modify your phone, or have you just installed some 3rd party apps?
Hopefully I can gain a opinion. I'm coming from a Huawei Mate 9, which is running Oreo 8.0 with EMUI 8.0 on top.
Thanks for your time
3 UK is selling BRANDED devices which aren't running official Xiaomi firmware. So you won't get timely updates. Apparently 3 UK take forever to release updates.
Use the search function it's come up a couple times.
Hey, I bought the Mi 8 from Three UK two weeks ago. Cheaper than official Mi Store and it came with a Mi Band 3.
I didn't know before but apparently all Xiaomi phones from Three come with a Vendor ROM. It's the global ROM modified by Three. I have not seen any app or specific config for Three on it, but as a vendor ROM all updates need to be "approved" by Three before a release, and yes they are very slow on this. That's annoying. I'm waiting to flash the Official ROM, to receive updates directly from Xiaomi.
I liked the device, the screen is very good, battery lasts 2 days on average usage, camera is amazing, very well built phone.
I thought that MIUI would be very different from stock Android, but not really. My previous phone was a OnePlus 3, very close to stock, but MIUI is intuitive, easy to use, it has indeed extra apps (for gallery, cleaner, security, etc) but some are useful. You don't have an app drawer, but I installed the Poco launcher and it works perfectly.
I don't use Google Pay, but I believe you can use without problems, I have the app installed.
There are ads in some Mi apps but you can easily set to hide them.
My opinion, I recommend the phone. But if you want to pay it in full, buy it from Mi Store UK. You'll have all the warranty and official firmware installed. If you want to go for a contract, you have the option to stick with the Three firmware or flash the official one afterwards (I bought a pay as you go phone because I'm not on Three network, so I'm waiting the cooling period from Xiaomi to unlock it and flash the official ROM, I'm sure that will avoid the warranty, but to be honest I never needed to use it on any phone, so I'm fine with it).
Cheers man, if you have any questions let me know.
If you want the best deal possible order the global variant from China via gearbest.
Use priority line as shipping method to avoiding customs charges.
338€ for 6/128gb variant with voucher code GBMPOI80
https://www.gearbest.com/cell-phones/pp_009493800071.html?wid=1349303
Got mine the other day, phone is okay, software is terrible, I have debloated as much as I can, also network seems alright with Three. What I'm really annoyed with is the lack of HD video streaming. I was aware that Netflix didn't work, but literally all other apps only display SD content which is a disgrace on a HDR 10 compliant screen.
mbgrandi;78598428 If you want to go for a contract said:
Thanks for your input, how exactly do/are you going about flashing the official firmware?
And yes I will be buying through 3, not outright, but as a contract.
I'm not exactly a complete noob, as I used to tinker quite a bit, but with Sony phones, flashing ROMs, rooting, but that was back in ICS-Marshmallow days. I was gonna mod my mate 9 but then Huawei blocked doing anything.
Sent from my Huawei Mate 9 using XDA Labs
Click to expand...
Click to collapse
Hey, basically I'm following these steps:
1) Apply for the unlock via Xiaomi unlock tool, you can find it at: h t t p s :/ / en.m i u i.com/unlock/
Usually it takes 360hrs to complete. After that time you can unlock the bootloader.
2) Download the Mi 8 Global ROM (fastboot version) and the Mi Flash Tool at: h t t p : / / e n .miui.com/a-234.html
3) Flash the ROM using the flash tool selecting "clean all and lock". This is the important part because it will re-lock the bootloader afterwards. So you will have the global official ROM with a locked device (important to use google pay, bank apps, etc).
Here is a guide that might be helpful: h t t p s : / / w w w .technobuzz.net/re-lock-bootloader-on-any-xiaomi/
I'm planning to do this during next week, when the 360hrs period expires.
I heard from guys on the Xiaomi forum that it's possible, so I'm quite curious to check it out.
I keep you updated if it was successful or not!
Metallijim said:
Thanks for your input, how exactly do/are you going about flashing the official firmware?
And yes I will be buying through 3, not outright, but as a contract.
I'm not exactly a complete noob, as I used to tinker quite a bit, but with Sony phones, flashing ROMs, rooting, but that was back in ICS-Marshmallow days. I was gonna mod my mate 9 but then Huawei blocked doing anything.
Sent from my Huawei Mate 9 using XDA Labs
Click to expand...
Click to collapse
Hello,
I bought mine through Argos ( UK mi 8 pro) I will not purchase Xiaomi again, The camera is at best only average. Yes it has, (so called) top specs but it fails on the basics.
I'm so very disappointed.
Hey! I have a Mi8 from three. I just unlocked the bootloaded and flashed the standard global rom over the top of the Three one and clean and relocked it and it's great.
I'd say go for it!
---------- Post added at 11:52 AM ---------- Previous post was at 11:50 AM ----------
mbgrandi said:
Hey, basically I'm following these steps:
1) Apply for the unlock via Xiaomi unlock tool, you can find it at: h t t p s :/ / en.m i u i.com/unlock/
Usually it takes 360hrs to complete. After that time you can unlock the bootloader.
2) Download the Mi 8 Global ROM (fastboot version) and the Mi Flash Tool at: h t t p : / / e n .miui.com/a-234.html
3) Flash the ROM using the flash tool selecting "clean all and lock". This is the important part because it will re-lock the bootloader afterwards. So you will have the global official ROM with a locked device (important to use google pay, bank apps, etc).
Here is a guide that might be helpful: h t t p s : / / w w w .technobuzz.net/re-lock-bootloader-on-any-xiaomi/
I'm planning to do this during next week, when the 360hrs period expires.
I heard from guys on the Xiaomi forum that it's possible, so I'm quite curious to check it out.
I keep you updated if it was successful or not!
Click to expand...
Click to collapse
It is possible. I did it literally yesterday! Worked a charm!
---------- Post added at 11:53 AM ---------- Previous post was at 11:52 AM ----------
koloure2211 said:
Hello,
I bought mine through Argos ( UK mi 8 pro) I will not purchase Xiaomi again, The camera is at best only average. Yes it has, (so called) top specs but it fails on the basics.
I'm so very disappointed.
Click to expand...
Click to collapse
Camera is fantastic for the price. I mean you could spend £1000 on a phone but who the heck wants to do that?!?!?!
Hey!
I did it yesterday as well.... Working perfectly. I really recommend to do that. Three will not release any update very soon, so go for it!
I really liked MIUI 10 btw.
Cheers
horsetastic said:
Hey! I have a Mi8 from three. I just unlocked the bootloaded and flashed the standard global rom over the top of the Three one and clean and relocked it and it's great.
I'd say go for it!
---------- Post added at 11:52 AM ---------- Previous post was at 11:50 AM ----------
It is possible. I did it literally yesterday! Worked a charm!
---------- Post added at 11:53 AM ---------- Previous post was at 11:52 AM ----------
Camera is fantastic for the price. I mean you could spend £1000 on a phone but who the heck wants to do that?!?!?!
Click to expand...
Click to collapse
Mine was from Argos, so is global not tethered to any network.
mbgrandi said:
Hey!
I did it yesterday as well.... Working perfectly. I really recommend to do that. Three will not release any update very soon, so go for it!
I really liked MIUI 10 btw.
Cheers
Click to expand...
Click to collapse
Just noticed you're the same chap that commented on my post on the Xiaomi forums about this topic.
Glad to hear of another success!
What's odd is that Three had stopped doing this to phones some time ago so it's odd that they're doing it again now.
Oh that's true!
Thanks for the follow up, so far so good.
Cheers
horsetastic said:
Just noticed you're the same chap that commented on my post on the Xiaomi forums about this topic.
Glad to hear of another success!
What's odd is that Three had stopped doing this to phones some time ago so it's odd that they're doing it again now.
Click to expand...
Click to collapse
Hi. I've been looking for this information for a WHILE man. It drove me nuts not having MIUI 11 after all this time. Will try flashing the rom via fastboot. THANKS!
does anyone use xiaomi mi8 on three uk network ?? can you say what your apn setting is? I was able to launch xiaomi mi8 running volte + wifi calling. but lately I have a problem with coverage. 4g speed is tragically weak/slow .. I have max 6mb / s where in the same place the iphone 8plus is 20mb / s ..
I checked on speedtest.net with the same server. From what i noticed xiaomi mi8 works only showing 4g there is no 3g where iphone 8plus has better internet even for 3g
kacluk said:
does anyone use xiaomi mi8 on three uk network ?? can you say what your apn setting is? I was able to launch xiaomi mi8 running volte + wifi calling. but lately I have a problem with coverage. 4g speed is tragically weak/slow .. I have max 6mb / s where in the same place the iphone 8plus is 20mb / s ..
I checked on speedtest.net with the same server. From what i noticed xiaomi mi8 works only showing 4g there is no 3g where iphone 8plus has better internet even for 3g
Click to expand...
Click to collapse
Hey,
Three is really bad in some areas. I switched to EE with no regrets. I still have my old sim card from Three, I've attached the APN settings.
Cheers
Flashing Global Rom
Hi. I have just bought an Mi8 off ebay which is originally from three UK and has a locked bootloader then the three global MIUI ROM. Can someone definitely confirm that if I unlock the bootloader and flash the latest global ROM using miflash and relock the bootloader it won't brick. I've only ever had Xiaomi phones from China so have never relocked the bootloader when flashing roms. This phone is for my wife and I'd like to just give her a regular global ROM with bootloader locked if possible as she won't want to tinker with the phone and just wants something stable and reliable. Thanks.

Considering buying, some deciding questions! *Resolved*

Hello!
Im seriously considering buying this phone. I was just going to buy a new one plus 5t but then I heard about this phone. After much digging around I just had some general questions that would help me decide if I should go for the Redmi K 20 pro or One plus 5T. Since im trying to stay below the 450 price range
1. I heard the usb port isn't actually USB Type C but USB 2.0 for file transfers. Meaning super slow file transfer speeds, is this true/noticeable?
2. I heard theres a missing band. Does this affect LTE use in the US in any-way with T-Mobile?
3. At aliexpress is "global rom version" just xiaomi.eu pre-loaded onto the phone? Im not sure which one I should buy China or "global"
(Found here: https://www.aliexpress.com/item/330...chweb0_0,searchweb201602_6,searchweb201603_53)
4. Does the xiaomi.eu version receive stable ota updates, are they based on the updates released officially from xiaomi made for the redmi K20 pro?
Do these updates have any issues? If I must manually update, is it recommended to wipe data before every update? Will I have to reinstall twrp every-time?
5. Is there a stable root/ can I still update with root?
6. Does the phone come with a locked bootloader and do I have to go through a 7 day wait period to unlock it?
7. I noticed there is a theme store. Does that work on the xiaomi.eu version. I wont get a phone without a true black theme option, (not like "google's dark mode" which is just a bluesish gray kind of thing. ) Are the themes comparable to one plus accent colors or substratums themes. Id want a phone that can go true black with the option to make settings/notification panel/dialer icon colors uniform. Something like the screen shots attached:
I know it might seem kind of silly but having some cool themes is important to me. Which is why I like the one plus with its true blacks and accent colors + complete subtratum support. But if something similar is obtainable with the redmi the would be great.
So ya if anyone has any input with these questions that would be fantastic
Thanks so much!
CollinsB said:
Hello!
Im seriously considering buying this phone. I was just going to buy a new one plus 5t but then I heard about this phone. After much digging around I just had some general questions that would help me decide if I should go for the Redmi K 20 pro or One plus 5T. Since im trying to stay below the 450 price range
1. I heard the usb port isn't actually USB Type C but USB 2.0 for file transfers. Meaning super slow file transfer speeds, is this true/noticeable?
2. I heard theres a missing band. Does this affect LTE use in the US in any-way with T-Mobile?
3. At aliexpress is "global rom version" just xiaomi.eu pre-loaded onto the phone? Im not sure which one I should buy China or "global"
(Found here: https://www.aliexpress.com/item/330...chweb0_0,searchweb201602_6,searchweb201603_53)
4. Does the xiaomi.eu version receive stable ota updates, are they based on the updates released officially from xiaomi made for the redmi K20 pro?
Do these updates have any issues? If I must manually update, is it recommended to wipe data before every update? Will I have to reinstall twrp every-time?
5. Is there a stable root/ can I still update with root?
6. Does the phone come with a locked bootloader and do I have to go through a 7 day wait period to unlock it?
7. I noticed there is a theme store. Does that work on the xiaomi.eu version. I wont get a phone without a true black theme option, (not like "google's dark mode" which is just a bluesish gray kind of thing. ) Are the themes comparable to one plus accent colors or substratums themes. Id want a phone that can go true black with the option to make settings/notification panel/dialer icon colors uniform. Something like the screen shots attached:
I know it might seem kind of silly but having some cool themes is important to me. Which is why I like the one plus with its true blacks and accent colors + complete subtratum support. But if something similar is obtainable with the redmi the would be great.
So ya if anyone has any input with these questions that would be fantastic
Thanks so much!
Click to expand...
Click to collapse
0 LTE bands for T-Mobile so you would have a 3G phone
954wrecker said:
0 LTE bands for T-Mobile so you would have a 3G phone
Click to expand...
Click to collapse
Oh wow. So i guess one plus 5t for me then
Thanks!
I don't know about US. But I live in Canada and currently I have full 4g speeds on Telus/Koodo although I was told that 3g is the max I will get .
Device transfer speeds are better on par than oneplus6 which I use at my work phone.
If you are willing to import the k20 pro, why not go for an oneplus 7 (Not pro) for the same price?
Phone have only Global ROM not global LTE HW! Just wait for Global version ... try this: https://www.kimovil.com/en/frequency-checker/GB/xiaomi-redmi-855 but there is still CHINA verion only
Lets wait for global version and some ROM without MIUI
It does have usb c port just not 3.1, only a few phones have it such as the OP7 Pro.
Some deciding questions of mine as well ..
I am considering getting the China version for its price, but I need to know that I will be able to switch the OS to the global version, and hopefully flash Pixel Experience in it when it comes out. The former seems already possible (still need confirming if possible, I'm a newbie in all this developer talk); as to the latter, I guess the likelihood is pretty great. Right ?
Or should I just wait and buy the Mi 9T Pro when it's out ? Again, my end result intention is to have this phone running the Pixel Android, and I'd rather go cheap if I can get away with the China version (the hardware being same as global).
1. It's USB 2.0
2. I have T-Mobile, but I'm roaming in China.
3. If you import from China, you'd better choose the global ROM, at first I bought a Chinese ROM version, Chinese MIUI ROM raped me for a whole week.
4,5. I'm on EU ROM now, no need to reinstall twrp every update, you can root, but you should get root again every update.
6. I don't know, I bought it in China with stock locked bl
7. I just checked the theme store, there are some black themes, but in settings, dark mode is enough.
themostunique said:
If you are willing to import the k20 pro, why not go for an oneplus 7 (Not pro) for the same price?
Click to expand...
Click to collapse
Because one plus 7 has a notch and no headphone jack.
locki said:
Phone have only Global ROM not global LTE HW! Just wait for Global version ... try this: https://www.kimovil.com/en/frequency-checker/GB/xiaomi-redmi-855 but there is still CHINA verion only
Lets wait for global version and some ROM without MIUI
Click to expand...
Click to collapse
Ah thanks for this!
I checked and it seems very likely ill have a lot of trouble with 4G
Oh well
tenshikurabu said:
1. It's USB 2.0
2. I have T-Mobile, but I'm roaming in China.
3. If you import from China, you'd better choose the global ROM, at first I bought a Chinese ROM version, Chinese MIUI ROM raped me for a whole week.
4,5. I'm on EU ROM now, no need to reinstall twrp every update, you can root, but you should get root again every update.
6. I don't know, I bought it in China with stock locked bl
7. I just checked the theme store, there are some black themes, but in settings, dark mode is enough.
Click to expand...
Click to collapse
Thanks for the Info!
And the dark mode looks great! Good to know if I get a xiaomi in the the future!
@CollinsB I suffer from the same dilemma, seeing that you've marked the thread *resolved* , what'd you decide??
also i would like to ask one more question, seeing that redmi phones get only one major Android upgrade (I'm using a redmi note 3(L ->M)) do you guys think it would be the same for their new flagship?
because i think op7 would probably get 2 upgrades, it makes the choice a little harder.
tenshikurabu said:
1. It's USB 2.0
2. I have T-Mobile, but I'm roaming in China.
3. If you import from China, you'd better choose the global ROM, at first I bought a Chinese ROM version, Chinese MIUI ROM raped me for a whole week.
4,5. I'm on EU ROM now, no need to reinstall twrp every update, you can root, but you should get root again every update.
6. I don't know, I bought it in China with stock locked bl
7. I just checked the theme store, there are some black themes, but in settings, dark mode is enough.
Click to expand...
Click to collapse
Folks , do not buy the fake global ROM version , I Repeat donot. The fake global versions are binded with AliExpress sellers email accounts which means if your unlocked bootloader gets locked accidently and your device is bricked there is no way to go back .
As for Chinese ROM . First there is no issue using Chinese ROM as the English option exists within the ROM and works without a glitch (including play store ) but you can still unlock bootloader and flash the EU or global version on your device .
Check this YouTube video why you shouldn't buy fake global ROM version
https://youtu.be/FQoXPLcoEfU
strangeprotocol said:
Folks , do not buy the fake global ROM version , I Repeat donot. The fake global versions are binded with AliExpress sellers email accounts which means if your unlocked bootloader gets locked accidently and your device is bricked there is no way to go back .
As for Chinese ROM . First there is no issue using Chinese ROM as the English option exists within the ROM and works without a glitch (including play store ) but you can still unlock bootloader and flash the EU or global version on your device .
Check this YouTube video why you shouldn't buy fake global ROM version
Click to expand...
Click to collapse
Thank you for your help, luckily I bought the stock version:angel:
kanodiatushar said:
@CollinsB I suffer from the same dilemma, seeing that you've marked the thread *resolved* , what'd you decide??
also i would like to ask one more question, seeing that redmi phones get only one major Android upgrade (I'm using a redmi note 3(L ->M)) do you guys think it would be the same for their new flagship?
because i think op7 would probably get 2 upgrades, it makes the choice a little harder.
Click to expand...
Click to collapse
Don't own the phone, but i have a poco F1 which is pretty similar. Based on my experience, there will be a lot of custom roms for the K20 so android versions wont be an issue. For US residents, K20 is lacking several bands, in my case it is missing band 4, which is the main band used by my carrier(i live in central america). While you can get LTE on band 5, speeds and coverage will suffer quite a bit. Check the bands your carriers use, if the phone doesnt have them wait for global version.
kanodiatushar said:
@CollinsB I suffer from the same dilemma, seeing that you've marked the thread *resolved* , what'd you decide??
also i would like to ask one more question, seeing that redmi phones get only one major Android upgrade (I'm using a redmi note 3(L ->M)) do you guys think it would be the same for their new flagship?
because i think op7 would probably get 2 upgrades, it makes the choice a little harder.
Click to expand...
Click to collapse
I decided on the oneplus 5T. I got it brand new for 380.
I'm loving it! :good:
Sorry to bother but are you sure it's usb 2 for file transfer and usb-c for charging?
I was planning to buy the 256GB version but if it's really usb 2 that would be a waste. I don't mind if it's not usb 3.1, I was hoping for at least usb 3
would you mind double-checking?
thanks a lot
tenshikurabu said:
1. It's USB 2.0
2. I have T-Mobile, but I'm roaming in China.
3. If you import from China, you'd better choose the global ROM, at first I bought a Chinese ROM version, Chinese MIUI ROM raped me for a whole week.
4,5. I'm on EU ROM now, no need to reinstall twrp every update, you can root, but you should get root again every update.
6. I don't know, I bought it in China with stock locked bl
7. I just checked the theme store, there are some black themes, but in settings, dark mode is enough.
Click to expand...
Click to collapse
I have a question too.
Being that the bootloader being unlockable..
Is there a reason we haven't seen any custom roms.?
An issue with sources.
I'm planning for doing development for this device. So this would be a make or break for me..
Thanks
infomedia0 said:
I have a question too.
Being that the bootloader being unlockable..
Is there a reason we haven't seen any custom roms.?
An issue with sources.
I'm planning for doing development for this device. So this would be a make or break for me..
Thanks
Click to expand...
Click to collapse
The device hasn't been launched globally yet, and with it's launch set for India soon, im sure a lot of good/cool devs are gonna pick it up.
im counting on that too. It would take atleast a month or so for proper development to begin after launch, i think.

Will Redmi Mi 9 Lite ever get custom roms?

Hello guys!
This phone is actually pretty good since it have all the components that are good (audiojack, NFC, USB C etc), but i'm afraid that this phone won't get many custom roms since it didn't "hype" the market...
Do you guys think that this phone will ever get good custom roms such as Pixel experience and LineAgeOS??
maybe someday. best custom miui at the moment mi room Added support for cc9. A new release will appear on Monday. 9.10.16
https://portal.mi-room.ru/roms/
can we use gsi roms?
I am worried too. It's not exactly a marketing success, though overall it's probably the most balanced phone xiaomi has. They really should have made this what the 9SE is. It really has great specs except maybe the CPU (saved 712 for SE), for the right price. I wish there will be GCam support and pixel experience, to make it as good as it can be.
Mi cc9 is A only or AB device?
Does anyone try Gsi ROMs
Radzią said:
maybe someday. best custom miui at the moment mi room Added support for cc9. A new release will appear on Monday. 9.10.16
https://portal.mi-room.ru/roms/
Click to expand...
Click to collapse
It's better than eu ROM? By what?
I think that since Mi 9 Lite just get to the outside-china market, the "hype" will come soon. Here (in Poland) all official mi-stores and reseller are already out of stock and waiting for deliveries, unofficial resellers are importing from other countries on daily basis, so the market demand is pretty high. It is too latest phone to talk about its popularity.
nawres03 said:
Mi cc9 is A only or AB device?
Does anyone try Gsi ROMs
Click to expand...
Click to collapse
only has slot A
demonvack said:
only has slot A
Click to expand...
Click to collapse
Yes this device is (A) but because it's a system on root, you have to use a/b.
william_1434 said:
Yes this device is (A) but because it's a system on root, you have to use a/b.
Click to expand...
Click to collapse
did you tried a/b ROM? does it works?
obiwanbartek said:
I think that since Mi 9 Lite just get to the outside-china market, the "hype" will come soon. Here (in Poland) all official mi-stores and reseller are already out of stock and waiting for deliveries, unofficial resellers are importing from other countries on daily basis, so the market demand is pretty high. It is too latest phone to talk about its popularity.
Click to expand...
Click to collapse
that's good to know. i wonder why it's popular since the last I checked it's significantly more expensive than the chinese market version, making it somewhat less competitive even against mi's own product line. anyway, I can't wait for some european experts to tackle this phone's hardware. GCam for one is so desperately needed, as I am now getting better camera photos using gcam on redmi note 7 than on the cc9's stock. Imagine the possibilities if cc9's potentials are unlocked.
seities said:
that's good to know. i wonder why it's popular since the last I checked it's significantly more expensive than the chinese market version, making it somewhat less competitive even against mi's own product line. anyway, I can't wait for some european experts to tackle this phone's hardware. GCam for one is so desperately needed, as I am now getting better camera photos using gcam on redmi note 7 than on the cc9's stock. Imagine the possibilities if cc9's potentials are unlocked.
Click to expand...
Click to collapse
Well, different "GSM Tech" sites shows that Mi 9 Lite is actually a few bucks cheaper than CC9. But for example in Poland, CC9 is not popular at all, even on unofficial sellers. I think that Mi 9 Lite will fill that gap.
About the differences, they are basically the same hardware, except some additional GSM/3G/LTE frequencies used in europe in MI 9 Lite (eg. LTE B20).

How to enable 4G/LTE - Frequency 28(700MHz) on CN RealmeX2Pro - RMX1931

Good evening folks,
Recently i got vry happy and furious at same time, cause i received mine so expected new RMX1931 butttttt the vendor told me that was the global version and it was not .
Well, until the dispute ends ill use and take the most of this wonderfull phone, so.......
Maybe im wrong but if this phone have a global version, it means that its modem should be the same and like the other rom is capable of accepting the other frequencys/bands of 4G/LTE.
So please, do anyone knows How to enable 4G/LTE - Frequency 28(700MHz)?
I am from Brazil, and here this band is very important, cause it has the better range (not speed) and sums with other bands creating the 4G+ or 4,5G like marketing likes to say (whats really matter is that the range of 4g increases and the speed too, but not toooooo much).
I saw some tutorials of this but with other phones, so i really hope it can be done.
Sry for the long text and the mistakes, its not my first language, and tks for all cause this community and the information here shared and created r priceless. :highfive:
BW
Well i think this is hard one at the moment, right?
So can anyone help telling where i can search for this answer? (other foruns, social midia, apps, etc...)
Ps: You guys hav to re-enable permissions every day? How to solve it? Some apps like Swifly Switch (is like a sidebar) lose the Acessibility Permission and the Top apps permission so i have to do it manually every day.
Have a good day folks
Bw
Up. My Oppo Reno Ace Gundam also lacks the said frequency. And its the same as the realme x2 pro. Specs and design. I live in the Philippines. Range in here is more important.
I have REALME X2 Pro (RMX1931EX) device listed here https://cacombos.com/device?model=RMX1931EX and it support B28.
What is exactly your device model number? Maybe you have different variant so i like to list it to my site. Could you please send to me modem log (instruction: https://mt-tech.fi/en/how-to-get-4g...droid-phone/#OnePlus,_Oppo_and_RealMe_devices) to https://cacombos.com/contribute so i can list your device supported 4G bands and combinations?
I think there is no easy way to enable B28 on your device...

Can Chinese version P40P+ (ELS-AN10) do call recording ?

I am considering selling European version and buying Chinese one. Can the Chinese version do call recording ?
Is it allowed on their androids or android 10 doesn't allow it to any part of the world ?
I don't know, I used to have a Mate 20 Pro (mexican version with carrier firmware), and with the apk for call recording was enough... maybe if there's a way to retrieve the apk from the chinese version (if there's any), it might be possible...
yes i have that exact model ... work 100 %
death365 said:
yes i have that exact model ... work 100 %
Click to expand...
Click to collapse
How to access the settings page?
death365 said:
yes i have that exact model ... work 100 %
Click to expand...
Click to collapse
Hi,
Do you share call recording apk here?
It still won't work on non Chinese versions
Phone then settings
capcase said:
How to access the settings page?
Click to expand...
Click to collapse
death365 said:
yes i have that exact model ... work 100 %
Click to expand...
Click to collapse
OMG ! - Mate, do you know how to extract recorder.apk from that and share it here
PS - I found chinese ROM but I extracting APKs from rom file is way too difficult for me. If anyone can help with that I am willing to share that ROM file.
death365 said:
yes i have that exact model ... work 100 %
Click to expand...
Click to collapse
Any chance you know how to extract APK from your phone so others can try installing it ? Can it be done simply like copying APK or it has to be extracted from ROM file...
PS - (I have ROM file, just dont' know how to open DATA files from inside, any help appreciated)
death365 said:
Phone then settings
Click to expand...
Click to collapse
I don't see it. Hmmmm
Sathelp said:
It still won't work on non Chinese versions
Click to expand...
Click to collapse
He's talking about Mexican career. I have ELS-N39 not the UK one. I'd like to try but - can you enlighten us a bit why it won't work to spare me of trying ??
Because it's only Chinese variant that it is enabled. In the past when you could unlock the bootloader and change regions, you could change between Chinese and any other area and back and it only works on the Chinese version. It must be restricted in the ROM. I've had Chinese versions with it working, extracted the file and tried on a non Chinese version and it fails installation every time.
I use ACR on non Chinese versions, works ok but callers voice needs turning up.
Try if you want. I'm sure that everyone would appreciate a working version of Huawei call recorder on their phones, it just works perfectly but please feel free to try and feedback to us your findings as this question comes up with every model.
If you do a search, I extracted Android 9 and 10 version to the forum in the past and I can get my Mate 30 pro fired up and extract it again if you want.
In fact here it is attached, Android 10 version from my Chinese Mate 30 Pro. Let us all know how you get on.
Sathelp said:
In fact here it is attached, Android 10 version from my Chinese Mate 30 Pro. Let us all know how you get on.
Click to expand...
Click to collapse
Installation failed...!
The parser did not find any certificates in the installation package.
Exactly, that is what happens on a non Chinese version
Sathelp said:
In fact here it is attached, Android 10 version from my Chinese Mate 30 Pro. Let us all know how you get on.
Click to expand...
Click to collapse
Thank you. What you have described earlier, I have done in the past with HTC: change region, easily using XTC tool which would allow me to have NFC, Radio and few features which were disabled on EU version.
Your story is totally believable and true; I was just hoping it might work. I'll try anyway, you know the old say "fulls don't believe anyone"
PS - I do have ACR full pro licensed version, I need call recorder to work perfectly, it's part of my job, so even if I have to buy chinese phone, be it huawei or samsung or whatever...
Btw did you know that call recording is allowed in Italy without any announcement. I am really unhappy that this phone isn't really developed properly for various EU regions.
You could always swap to a mi 10 ultra which has call recorder and a pretty near or as good camera. These have call recorder as standard but like me and many others, flash the EU ROM and get the best software options plus. And you keep the call recorder.
I have both but as Huawei are locking down so much, it tempted me away to a near equivalent but fully and actually encouraged to by Xiaomi to use custom ROMs. Check out the XDA Xiaomi mi 10 Ultra forum
Sathelp said:
You could always swap to a mi 10 ultra which has call recorder and a pretty near or as good camera. These have call recorder as standard but like me and many others, flash the EU ROM and get the best software options plus. And you keep the call recorder.
I have both but as Huawei are locking down so much, it tempted me away to a near equivalent but fully and actually encouraged to by Xiaomi to use custom ROMs. Check out the XDA Xiaomi mi 10 Ultra forum
Click to expand...
Click to collapse
I may consider the mi 10 ultra, I'm in the uk so will it work on our network? Where did you buy it from?
Sent from my ELS-NX9 using Tapatalk
XDA has an active forum at https://forum.xda-developers.com/xiaomi-mi-10-ultra.
For the UK use Wondamobile as they ship to Manchester and then ship to you, so they pay any import duty, delivery in about a week from Hong Kong at a good price, other suppliers out there too.
One of the main issues in the hardware is that it has no band 20 radio. In the UK some operators change their use of band 20 from 3 to 4G, O2 being the main one that may affect you. 5G works a treat as does 4G on all other providers but with O2 and any providers that use O2 network, you won't get 4G from band 20 masts. To be honest, now that most people use 4G, the 3G throughput that it drops down to on these masts is dam good and I don't miss 4G at all. Still get Sky Q out and about via 3G. My second sim is EE and that is fine on 4G, so something to think about before buying.
The stock Chinese ROM has Google but one thing missing on this is location tracing and history. Gpay works fine on the stock ROM.
As Xiaomi encourage custom ROMs, you can unlock the bootloader. As a precaution, once you fully verify your account in mi cloud, and you start to unlock, it makes you wait 168 hours, one week, before allowing you to finish the process. Once unlocked, you can flash the Xiaomi.EU custom ROM if you want, details on the XDA forum or the Xiaomi.EU forum. Paranoid Android may be providing one too at some point. The EU version has done an excellent job on this but it does still have some work to do on CTS profile security but it does have Widevine L1 ( the stock has all security). Gpay too has a temp bug hopefully being fixed soon to but it's ok on Chinese stock and as the custom weekly or stable branches of ROM are based on the Chinese updates.
Have a read before committing. I moved over after being Huawei for a few years but with them locking the bootloader and the Google debako by USA has made me swap brands and to be honest, I am quite happy to do so, Xiaomi are making some dam good customisable phones.
Sathelp said:
XDA has an active forum at https://forum.xda-developers.com/xiaomi-mi-10-ultra.
For the UK use Wondamobile as they ship to Manchester and then ship to you, so they pay any import duty, delivery in about a week from Hong Kong at a good price, other suppliers out there too.
One of the main issues in the hardware is that it has no band 20 radio. In the UK some operators change their use of band 20 from 3 to 4G, O2 being the main one that may affect you. 5G works a treat as does 4G on all other providers but with O2 and any providers that use O2 network, you won't get 4G from band 20 masts. To be honest, now that most people use 4G, the 3G throughput that it drops down to on these masts is dam good and I don't miss 4G at all. Still get Sky Q out and about via 3G. My second sim is EE and that is fine on 4G, so something to think about before buying.
The stock Chinese ROM has Google but one thing missing on this is location tracing and history. Gpay works fine on the stock ROM.
As Xiaomi encourage custom ROMs, you can unlock the bootloader. As a precaution, once you fully verify your account in mi cloud, and you start to unlock, it makes you wait 168 hours, one week, before allowing you to finish the process. Once unlocked, you can flash the Xiaomi.EU custom ROM if you want, details on the XDA forum or the Xiaomi.EU forum. Paranoid Android may be providing one too at some point. The EU version has done an excellent job on this but it does still have some work to do on CTS profile security but it does have Widevine L1 ( the stock has all security). Gpay too has a temp bug hopefully being fixed soon to but it's ok on Chinese stock and as the custom weekly or stable branches of ROM are based on the Chinese updates.
Have a read before committing. I moved over after being Huawei for a few years but with them locking the bootloader and the Google debako by USA has made me swap brands and to be honest, I am quite happy to do so, Xiaomi are making some dam good customisable phones.
Click to expand...
Click to collapse
True that, If Huawei allow unlocking the bootloader, then their phones will rock and can be sold with people worrying about Google ban, as there will be many developers out there ready to build many custom rom with Google (GMS) Integrated

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