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I see a lot of people with bricked devices, what precautions should I take?

I see a lot of people with system has been destroyed error messages, both here and on reddit. Tomorrow will be 7 days since I bought the phone and I will be able to unlock the bootloader and I'm planning to flash twrp and xiaomi.eu.
I have the global mi 9t version bought from Europe with stock miui 10.3.3. Can you please recommend me some precautions to take to avoid bricking my device? I rooted a lot of devices over the years and I only had problems with my girlfriend's Mi A1 which I bricked and had to send to a service repair. So I'm a bit nervous with xiaomi phones and especially this device since I see so many problems. Is there a specific guice for this phone Mi9t pro, or is the k20 pro guide good?

lvnatic said:
I see a lot of people with system has been destroyed error messages, both here and on reddit. Tomorrow will be 7 days since I bought the phone and I will be able to unlock the bootloader and I'm planning to flash twrp and xiaomi.eu.
I have the global mi 9t version bought from Europe with stock miui 10.3.3. Can you please recommend me some precautions to take to avoid bricking my device? I rooted a lot of devices over the years and I only had problems with my girlfriend's Mi A1 which I bricked and had to send to a service repair. So I'm a bit nervous with xiaomi phones and especially this device since I see so many problems. Is there a specific guice for this phone Mi9t pro, or is the k20 pro guide good?
Click to expand...
Click to collapse
Almost all of these problems have been caused by people flashing fastboot ROMs with the Mi Flash Tool, where the ROM is for a different region to the phone. The problem happens when the default flash option of 'clean all and lock' has been used. Doing this is what causes the device to brick. Sometimes this has been done deliberately because the user didn't realise that it would brick and was trying to enable financial apps or Netflix, etc. to work correctly. Most of the time it's because the user hasn't been paying attention to what they are doing and forgot to change the flash option.
The only precaution you need to make, above and beyond what you would do for any other phone, is to check and double check, then check again that, whenever your flashing in the Mi Flash Tool, before you hit the Flash button you have changed the flash option at the bottom of the screen to 'clean all'.
If you actually do want to lock the bootloader then check, double check, then check again that the fastboot ROM you're installing is definitely, 100% the correct region for your phone.

Robbo.5000 said:
Almost all of these problems have been caused by people flashing fastboot ROMs with the Mi Flash Tool, where the ROM is for a different region to the phone. The problem happens when the default flash option of 'clean all and lock' has been used. Doing this is what causes the device to brick. Sometimes this has been done deliberately because the user didn't realise that it would brick and was trying to enable financial apps or Netflix, etc. to work correctly. Most of the time it's because the user hasn't been paying attention to what they are doing and forgot to change the flash option.
The only precaution you need to make, above and beyond what you would do for any other phone, is to check and double check, then check again that, whenever your flashing in the Mi Flash Tool, before you hit the Flash button you have changed the flash option at the bottom of the screen to 'clean all'.
If you actually do want to lock the bootloader then check, double check, then check again that the fastboot ROM you're installing is definitely, 100% the correct region for your phone.
Click to expand...
Click to collapse
I never used the MI flash tool, tomorrow I will use it for the first time to unlock the bootloader and the rest of the process I will do through fastboot commands. I hope everything will be fine thanks

lvnatic said:
I never used the MI flash tool, tomorrow I will use it for the first time to unlock the bootloader and the rest of the process I will do through fastboot commands. I hope everything will be fine thanks
Click to expand...
Click to collapse
Tomorrow you'll be using the Mi Unlock Tool.
A couple of things to point out. There is an issue with some/all versions of TWRP (not sure if they are all broken), - fastboot boot TWRP.img doesn't work, you'll end up having to reinstall a ROM if you try it, so use another method to boot into TWRP.
If you ever consider relocking the bootloader, then the standard fastboot command to do this won't work, I cannot remember if this will brick the phone or not.

Robbo.5000 said:
Tomorrow you'll be using the Mi Unlock Tool.
A couple of things to point out. There is an issue with some/all versions of TWRP (not sure if they are all broken), - fastboot boot TWRP.img doesn't work, you'll end up having to reinstall a ROM if you try it, so use another method to boot into TWRP.
If you ever consider relocking the bootloader, then the standard fastboot command to do this won't work, I cannot remember if this will brick the phone or not.
Click to expand...
Click to collapse
Thanks!

lvnatic said:
I see a lot of people with system has been destroyed error messages, both here and on reddit. Tomorrow will be 7 days since I bought the phone and I will be able to unlock the bootloader and I'm planning to flash twrp and xiaomi.eu.
I have the global mi 9t version bought from Europe with stock miui 10.3.3. Can you please recommend me some precautions to take to avoid bricking my device? I rooted a lot of devices over the years and I only had problems with my girlfriend's Mi A1 which I bricked and had to send to a service repair. So I'm a bit nervous with xiaomi phones and especially this device since I see so many problems. Is there a specific guice for this phone Mi9t pro, or is the k20 pro guide good?
Click to expand...
Click to collapse
I have the same concerns for my new mi9t pro.
Here is an article to read about anti rollback https://www.xda-developers.com/xiaomi-anti-rollback-protection-brick-phone/ to realize why there are all that problems and a method to see the indexes of the device and the ROM in order to make the right decision if it is safe flashing a specific ROM or not.
I don't suggest to consider K20 PRO cases familiar with the mi 9t pro, cause they have their own ROM versions specifically for China and India and that's is a part of the whole XIAOMI's anti rollback strategy.
Sent from my Mi 9T Pro using Tapatalk

[email protected] said:
I have the same concerns for my new mi9t pro.
Here is an article to read about anti rollback https://www.xda-developers.com/xiaomi-anti-rollback-protection-brick-phone/ to realize why there are all that problems and a method to see the indexes of the device and the ROM in order to make the right decision if it is safe flashing a specific ROM or not.
I don't suggest to consider K20 PRO cases familiar with the mi 9t pro, cause they have their own ROM versions specifically for China and India and that's is a part of the whole XIAOMI's anti rollback strategy.
Sent from my Mi 9T Pro using Tapatalk
Click to expand...
Click to collapse
Thanks, good article

[email protected] said:
I have the same concerns for my new mi9t pro.
Here is an article to read about anti rollback https://www.xda-developers.com/xiaomi-anti-rollback-protection-brick-phone/ to realize why there are all that problems and a method to see the indexes of the device and the ROM in order to make the right decision if it is safe flashing a specific ROM or not.
I don't suggest to consider K20 PRO cases familiar with the mi 9t pro, cause they have their own ROM versions specifically for China and India and that's is a part of the whole XIAOMI's anti rollback strategy.
Sent from my Mi 9T Pro using Tapatalk
Click to expand...
Click to collapse
Is there a problem with the mi9t pro global rom?
Planning to flash it on the k20 pro

That way you change MIUI region versions. That is the reason XIAOMI uses anti roll protection.
BECAREFULL. You must check the indexes of your device and the GLOBAL ROM you wanna flash
Sent from my Mi 9T Pro using Tapatalk

I have Chinese k20 pro and ibe flashed both eu roms and now im on global stable PIe (from android 10).
Bro just dont re lock your bootloader if you not have the official rom. Chinese or global.
If your phone is china you can relock the BL only if you flash china stock firmware.. the same you can do if your phone is global (mi9t pro).

Mr.Vag said:
I have Chinese k20 pro and ibe flashed both eu roms and now im on global stable PIe (from android 10).
Bro just dont re lock your bootloader if you not have the official rom. Chinese or global.
If your phone is china you can relock the BL only if you flash china stock firmware.. the same you can do if your phone is global (mi9t pro).
Click to expand...
Click to collapse
I suppose now you can't go back because your phone's index is updated, so if you flash older ROM u will brick the device ?
Sent from my Mi 9T Pro using Tapatalk

123elad said:
Is there a problem with the mi9t pro global rom?
Planning to flash it on the k20 pro
Click to expand...
Click to collapse
No its working perfect for me. . also it feels faster than eu rom both stable and beta.
Just all other set dont forget to change flash and lock option!

Mr.Vag said:
No its working perfect for me. . also it feels faster than eu rom both stable and beta.
Just all other set dont forget to change flash and lock option!
Click to expand...
Click to collapse
Thank you!
What do you mean by just all other set?
Thank's.

123elad said:
Thank you!
What do you mean by just all other set?
Thank's.
Click to expand...
Click to collapse
Sorry worng word. Is "like all other say"
Btw test eu roms too if you want but 8m changing between these roms but as i said before global looks much better

Mr.Vag said:
Sorry worng word. Is "like all other say"
Btw test eu roms too if you want but 8m changing between these roms but as i said before global looks much better
Click to expand...
Click to collapse
Thank you!
I will stay with the global rom till a stable custom rom will show up

Erase boot error

Redmi k20 pro (China)
I unlocked bootloader and flashed global version india.
Flash was finished and it show this MIUI version can't install to your device.
So i try to flash other rom, it say Erase Boot Error.
How can i do. Now i can't use my phone.
MiUnlock say 'i can unlock only 1 in 30 days.
Please help me for this.
Thank you.

KzFire said:
Redmi k20 pro (China)
I unlocked bootloader and flashed global version india.
Flash was finished and it show this MIUI version can't install to your device.
So i try to flash other rom, it say Erase Boot Error.
How can i do. Now i can't use my phone.
MiUnlock say 'i can unlock only 1 in 30 days.
Please help me for this.
Thank you.
Click to expand...
Click to collapse
It sounds like you flashed with the Mi Flash Tool and forgot to change the flash option and so locked the bootloader. Unfortunately doing this bricks the phone when flashing a ROM that is not the same region the phone is from.
You could wait until 1st October and start the unlock again, it should reset to 7 days then. Your other option is to open up the phone and pay $15 to EDL flash a ROM. This guide tells you all about this.
https://forum.xda-developers.com/k2...h-how-to-fix-hard-brick-t3968400/post80248583

KzFire said:
Redmi k20 pro (China)
I unlocked bootloader and flashed global version india.
Flash was finished and it show this MIUI version can't install to your device.
So i try to flash other rom, it say Erase Boot Error.
How can i do. Now i can't use my phone.
MiUnlock say 'i can unlock only 1 in 30 days.
Please help me for this.
Thank you.
Click to expand...
Click to collapse
Best way is just stay for a month, If try other things my be u will get hard brick your device. So pls just wait for unlock.

Hello, my friend, i was so sad as you are, and searched in all internet how to fix this problem. So after some trys I got the fix only downloading the miflash unlock and unlocking mi fone, after this every thing worked right even without flashing a rom. ,Hope this information help others people.

Help please !! my k20 pro (CN) stuck in fastboot my device is brick

bootloader was unlock in my device. I flashed EEA rom on my devices mistakenly select clean all and lock when i flash .after complete flash successful its stuck in fastboot and recovery . cant unlock bootloader and flash rom . when i try to unlock bootloader in official way its asking to add miui account in unlock state. :crying: :crying: someone please please help

Submit the phone to customer care if available
Mi 9T Pro ll Tapatalk

kibria.mgk said:
Submit the phone to customer care if available
Mi 9T Pro ll Tapatalk
Click to expand...
Click to collapse
how much cost they will take?

Varies. Also they can refuse to comply. It's totally on you, sorry to say. There's fix, obviously, bit requires authorized person to execute that.

Question Flashed Indonesian Rom in Sweetin and relocked Bootloader😥😫

My friend flashed Indonesian fastboot Rom in indian RN10 Pro Max and locked the Bootloader, now he is trying to add acount and device to unlock it again but if fails everytime.
An error shows "Couldn't add. Device basic data verification failed"
Please see the attached screenshot.
Do you have any clue how to solve the issue?

you were should use only format data not all & relock.
There is three .bat orders:
one with erasing user data.
one with keep user data.
one with format and relock.
In your case you have to unlock it again.

Can't unlock, can't add account and device. Always shows the error mentioned in the post.

I had to abandon my previous xiaomi phone just for this reason. Accidentally locked the bootloader and couldn't unlock it ever. "The find device storage corrupted, your device is unsafe now".
Couldn't add miui account.

kazi69 said:
I had to abandon my previous xiaomi phone just for this reason. Accidentally locked the bootloader and couldn't unlock it ever. "The find device storage corrupted, your device is unsafe now".
Couldn't add miui account.
Click to expand...
Click to collapse
You did the same? I mean flashed another region's rom and locked bootloader?
My friend told me that he did the same in his Redmi Note 8 and then re-unlocked and flashed stock regions's rom, it was fine for redmi 8 so he did this in RN10 Pro too.

Sabuj45 said:
You did the same? I mean flashed another region's rom and locked bootloader?
My friend told me that he did the same in his Redmi Note 8 and then re-unlocked and flashed stock regions's rom, it was fine for redmi 8 so he did this in RN10 Pro too.
Click to expand...
Click to collapse
I actually did worse. I was on non-miui Rom then flashed the Fastboot without unticking the lock option. Guess what though the sensors of my MI5 is all okay nothing works due to wrong persist file.

For Relocking Bootloader 1St Flash Stock Region Of Ur Phone
Global Or Indian with Clean All
Then Reflash The Rom With clean And Lock
Tested On Redmi Note 8 Pro Global

javad0644 said:
For Relocking Bootloader 1St Flash Stock Region Of Ur Phone
Global Or Indian with Clean All
Then Reflash The Rom With clean And Lock
Tested On Redmi Note 8 Pro Global
Click to expand...
Click to collapse
Could you please share how to flash? since bootloader is locked cant flash anything.

Maybe you did not get my point, we are stuck in another region's ROM with locked bootloader.

Try find Xiaomi repair support center and tell them to help you flash official Indian ROM for you.
You can boot into the system, and the device said it's locked and secure, so it's not hard brick. Should be fine for them to help out, if the warranty is covered under the policy.
Be prepared for data loss, so you need to backup what you want to keep.
Don't tell them you flash a wrong region ROM. Just say the phone seems a bit strange, so want them to help clean flash and update official latest ROM.

javad0644 said:
For Relocking Bootloader 1St Flash Stock Region Of Ur Phone
Global Or Indian with Clean All
Then Reflash The Rom With clean And Lock
Tested On Redmi Note 8 Pro Global
Click to expand...
Click to collapse
Hey bro can you tell me if I want to flash preinstalled region's updated fastboot rom do i need to unlock bootloader? For example currently im on indian miui 12.5.4 and i want to flash indian miui 12.5.8 fastboot rom through mi flash. Do i need to unlock bootloader?

Sabuj45 said:
Maybe you did not get my point, we are stuck in another region's ROM with locked bootloader.
Click to expand...
Click to collapse
You can try flashing stock with mi flash tool by rebooting to bootloader. Recovery ROM might work even with locked bootloader

Sagesaurabh said:
You can try flashing stock with mi flash tool by rebooting to bootloader. Recovery ROM might work even with locked bootloader
Click to expand...
Click to collapse
You cant flash fastboot ROM with locked bootloader.

I own redmi note 10 pro global. I unlocked the bootloader, installed custom recovery, cuatoms roms. Then i flashed indonesian miui will default option, which locked the bootloader.
I booted the device, added account for unlocked and the same time i rebooted fo fastboot and ran miunlock tool and it just unlocked the bootloader. No7days or 30days error at all.
Now im unlocked and using miui global.
Same thing happend with my friend.
He did the same and faced no issue he is again unlocked lol.

Hy all,i have redmi note 10 pro and i want miui rom with call-rec.
Please how to step by step to change rom,tanks all!

Schmith said:
Hy all,i have redmi note 10 pro and i want miui rom with call-rec.
Please how to step by step to change rom,tanks all!
Click to expand...
Click to collapse
You wanna flash firmwares / roms for call recording?

Yes,only for call recording.

Sabuj45 said:
My friend flashed Indonesian fastboot Rom in indian RN10 Pro Max and locked the Bootloader, now he is trying to add acount and device to unlock it again but if fails everytime.
An error shows "Couldn't add. Device basic data verification failed"
Please see the attached screenshot.
Do you have any clue how to solve the issue?
Click to expand...
Click to collapse
Does the Redmi Note 10 Pro Indonesian (MIUI v12.5.3.0) has Dolby Atmos??
Please reply..
Coz at this time Indian Sweetin supports Dolby Atmos (v12.5.3.0)

Schmith said:
Yes,only for call recording.
Click to expand...
Click to collapse
Does the Redmi Note 10 Pro Indonesian (MIUI v12.5.3.0) has Dolby Atmos??
Please reply..
Coz at this time Indian Sweetin supports Dolby Atmos (MIUI v12.5.8.0)

Yes.

Question Qualcomm diag ports / root and continue installing the updates from Xiamio

I just bough a Redmi 11T Pro and I'm new in the Redmi environment. I would like to have the Qualcomm diagnostic ports. After trying dialling some specific codes, I find that the best solution was a adb command requiring root access.
To root I find out that I had to unlock the bootloader. From some website that would make impossible to install Miui updates from Xiaomi. But according to some website it would be possible to manually install these updates after downloading them with TWRP (it is possible to do it with older Redmi phones.
Do you agree that it would be possible on the 11T Pro (as it as very new phone)?
Maybe somebody knows a mean to have the qualcomm diag ports without rooting.
Thanks.

Why do you need the qualcomm diagnostic ports? As per previous Android/MIUI setup i think its still the same way to update if using custom recovery/magisk

Toug said:
I just bough a Redmi 11T Pro and I'm new in the Redmi environment. I would like to have the Qualcomm diagnostic ports. After trying dialling some specific codes, I find that the best solution was a adb command requiring root access.
To root I find out that I had to unlock the bootloader. From some website that would make impossible to install Miui updates from Xiaomi. But according to some website it would be possible to manually install these updates after downloading them with TWRP (it is possible to do it with older Redmi phones.
Do you agree that it would be possible on the 11T Pro (as it as very new phone)?
Maybe somebody knows a mean to have the qualcomm diag ports without rooting.
Thanks.
Click to expand...
Click to collapse
you ned to unlock bloader , root , put twrp , and upgarde to a new Verion of miui !!!
root is easy , you can do yourself , twrp need to be compiled for your phone !!
But you can just root your phone.... and hide magisk , and update work !

gaspolo said:
you ned to unlock bloader , root , put twrp , and upgarde to a new Verion of miui !!!
root is easy , you can do yourself , twrp need to be compiled for your phone !!
But you can just root your phone.... and hide magisk , and update work !
Click to expand...
Click to collapse
Thanks. it it possible to unlock bootloader without wiping the phone?
jimdorky said:
Why do you need the qualcomm diagnostic ports? As per previous Android/MIUI setup i think its still the same way to update if using custom recovery/magisk
Click to expand...
Click to collapse
I need qualcomm diagnostic to make some modem logs.

Hello guys.
Help me please, crookedly flashed the phone Xiaomi 11T pro
Can't find anywhere test point Xiaomi 11T pro
Еhanks

Igor_13 said:
Hello guys.
Help me please, crookedly flashed the phone Xiaomi 11T pro
Can't find anywhere test point Xiaomi 11T pro
Еhanks
Click to expand...
Click to collapse
in telegram group you can find a edl official user

it it possible to unlock bootloader without wiping the phone?

Toug said:
it it possible to unlock bootloader without wiping the phone?
Click to expand...
Click to collapse
No.