flash customized firmware with oem info to get Volte - Sony Xperia XZ2 Questions & Answers

Hello friends I wondering: can I flash a customized firmware like customized UK with the oem partition from my oem(I from Mexico)? I want to use Volte 4.5 LTE here on my country.
The oem firmware came with Volte option to activate the function but have a lot of bloatware crap and outdated version. So I flash a customized UK to get rid of that crap and get the last updates but the firmware don't have the option to activate Volte only get 4g LTE.
I saw a thread talking about this problem but I remember last year on my USA xz1 compact I converted to a UK like I did with my XZ2 but when I flash the customized UK on my xz1 compact I use the USA oem partition to get Volte and it works very well. So I was thinking if could do this on my XZ2 or its different, can I brick the device or something?
I appreciate your help and you can understand my English.

Hello, Sony write about the XZ2 :
Android 8.0 - To enable VoLTE
Make sure your specific Xperia device model and network subscription support VoLTE.
Find and tap Settings > Network & Internet > Mobile network > Preferred network type > LTE or 4G (preferred)/3G/GSM.
Tap the switch beside Enable VoLTE to activate VoLTE. If Enable VoLTE isn't available, contact your network operator.
I have ask my phone operator to access to VOLTE; they send me this message this week : Votre demande d'activation de l'option VoLTE et Appels Wifi a bien été prise en compte.
I have tried Android P (Beta 2), French, Dutch, UK and CE1 firmware; but i can not find anything about VOLTE on the menu of my H8266 Dual SIM.
* # * # 4636 # * # * show me for all of these firmwares that VOLTE is not active on my phone.
I will go on this way to find a solution.
Pascal

Related

how to flash different baseband

hi guys, do you know how to change baseband? I mean for example I am on 5.1.1 stock FW customized CH, is it possible to flash say US baseband in it without losing any data? how?
this would help a lot people using my rom in other countries!
I tried with flashtool, flashing only all AMSS_xxx parts from a US fw to my current CH install, but the baseband shown in settings is always the same, so I think I am doing something wrong/the AMSS parts are not really the baseband?
can you help!?
TIA!!
I think better to change phone baseband is changed mode to USA: If you click on dial * # * # 4636 # * # * and select info mobile and you select in the new screen menu (top right) and you can change to US networks.
I've done this several days ago. I'm in Spain and I could not access European 3G and 2G network because new newtork is for usa (LTE same).
I was doing research for improving the signal and great failure. Then I had to flash with flashtool new rom ... hehe
Sorry for my bad English.
thanks mate! i don't need us band actually, I'm in Italy and the European band is fine for me but wanted to know how to do that for us users of my rom. great tip will suggest them to do so hopefully they'll improve the signal strength/switch speed thanks again!
Hope someone can help you out, I love your rom and I just got a d5833 from Hong Kong, I live in Australia and my carrier supports exactly 5833 lte bands (I'm Italian too Btw ☺), lte is actually working but reception isn't good, I'm sure with the right baseband would be better. Thanks for the hard work ?
did you try the method suggested by Joreb? ( *#*#4636#*#* and then chosing USA band)
he was saying basebands are all the same in all d5803 firmwares
Well I did and it wasn't a good idea since now 2g and 3g are not working and I can't switch back to the original baseband since in the menù there's no other option. Any clue?
Edit: flashed your new v3,everything's fine now

VoLTE not working on T-mobile Note 4 on JIO

Hi members!
I own an officially unlocked SM-N910T mobile (updated to latest MM 6.0.1) and currently using it in India. I can use 4g LTE for data but VoLTE doesn't work on my phone.
My network operator JIO provides LTE/VoLTE on Band 3, 5 and 40. I have enabled VoLTE from Settings > Calls > Call settings but no joy
VoLTE is enabled on my SIM and I can use it on another mobile.
I have been trying to understand what could be the issue over last 2 weeks but without any satisfactory answer from anyone.
So, I am wondering:
1. Is it because I don't have Indian CSC on my T-mobile phone? Is it even possible to flash Indian CSC on this device?
2. Is it because my device IMEI is 'NOT -INDIAN IMEI" and hence not supported? Customer care gives me more confusing answers - sometimes they say my phone is compatible for VoLTE and some say only Indian devices are supported.
3. Is something still locked to TMOBILE even after the official unlock?
Any answers are really appreciated from the any of you!
Cheers and thanks in advance!
Kamaldev.kd said:
Hi members!
I own an officially unlocked SM-N910T mobile (updated to latest MM 6.0.1) and currently using it in India. I can use 4g LTE for data but VoLTE doesn't work on my phone.
My network operator JIO provides LTE/VoLTE on Band 3, 5 and 40. I have enabled VoLTE from Settings > Calls > Call settings but no joy
VoLTE is enabled on my SIM and I can use it on another mobile.
I have been trying to understand what could be the issue over last 2 weeks but without any satisfactory answer from anyone.
So, I am wondering:
1. Is it because I don't have Indian CSC on my T-mobile phone? Is it even possible to flash Indian CSC on this device?
2. Is it because my device IMEI is 'NOT -INDIAN IMEI" and hence not supported? Customer care gives me more confusing answers - sometimes they say my phone is compatible for VoLTE and some say only Indian devices are supported.
3. Is something still locked to TMOBILE even after the official unlock?
Any answers are really appreciated from the any of you!
Cheers and thanks in advance!
Click to expand...
Click to collapse
It may be a regional thing. My 910t uses volte on straight talk in the states with an att sim with no issues. Surprised me actually.
Same problem for me too.. I too own N910T.. Volte is enabled but Call failed error comes again nd again..... Can Anyone please help out....
did anyone found answer for this question?
jio VoLTE in t-mobile note 4
anantharam3 said:
did anyone found answer for this question?
Click to expand...
Click to collapse
https://forum.xda-developers.com/showpost.php?p=70484835&postcount=21
devbiju said:
https://forum.xda-developers.com/showpost.php?p=70484835&postcount=21
Click to expand...
Click to collapse
Hi devbiju, thanks for pointing me to the post, but more help is appreciated. I did change my rom to RAM-rom. how do i set the IMS-APN. whenever i add the IMS apn, it doesn't stick
Please help.
anantharam3 said:
Hi devbiju, thanks for pointing me to the post, but more help is appreciated. I did change my rom to RAM-rom. how do i set the IMS-APN. whenever i add the IMS apn, it doesn't stick
Please help.
Click to expand...
Click to collapse
After RAM Rom installation you can flash INU CSC, Dr Ketan uploaded it in some threads which i forgot.
for IMS apn , you simply create new APN with name and type as IMS and save it. It may not be listed or need not be selected in APNs list. but you could see the VoLTE in status bar after creating it. Also ensure that you create jionet APN first to get LTE access instead of using default jio APN settings.
devbiju said:
After RAM Rom installation you can flash INU CSC, Dr Ketan uploaded it in some threads which i forgot.
for IMS apn , you simply create new APN with name and type as IMS and save it. It may not be listed or need not be selected in APNs list. but you could see the VoLTE in status bar after creating it. Also ensure that you create jionet APN first to get LTE access instead of using default jio APN settings.
Click to expand...
Click to collapse
thanks mate, figured that out..
gunz.jones said:
It may be a regional thing. My 910t uses volte on straight talk in the states with an att sim with no issues. Surprised me actually.
Click to expand...
Click to collapse
I have a unlocked 910-T on Cricket and I can't use WiFi calling or VoLTE. And I got there new SIM card and still no go.

Galaxy Note 8 VoLTE is not working with India Jio SIM, anyone facing the same issue?

I bought Galaxy Note 8 64GB model yesterday from Samsung India online shop, inserted Jio SIM but VoLTE doesn't work, mobile data connected only with LTE, In order to make calls I had to install Jio4gvoice app. Note 8 doesn't have option to enable VoLTE.
When I contacted customer service they said bar code mismatch issue between the jio sim and mobile phone, new software update will be issued to resolve this problem.
Has anyone facing JioSIM VoLTE issue with Samsung Galaxy Note 8?
I am facing the same issue.
Jio customer care executive said the same thing.
Hope it gets resolved soon.
Its working on ma bros note8 here in India with jio... Sim is in slot 1 like its supposed to be.. Also it shud be assigned 4g/lte in mobile network settings.
I am facing the same issue Volte does not appear sometime
Changed sim card no luck with note 8 where as same sim card is working properly with MI mobile.
Sometime cant find Network .Volte disappear,No call no sms no net all dead .
Need urgent Fix
facing the same issue
hi,
I'm facing the same issue. i spoke to the jio customer care, but to no avail.
I applied to port to airtel. In the meanwhile i'm using their HDvoice app for calls and texts.
Any solution yet
Hi, I am facing the same issue. In my case the mobile was bought from US. Is there a solution? Jio4GVoice is annoying to keep all the time in mobile data even though I have fibre net in my home.
have you looked if it can be enabled via ims using Shortcut Master lite
Download Indian firmware
extract a file that start with name HOME_CSC_OXM***
flash that with Odin CSC tab.
Before this make backup of data including Int storage as it may wipe everything.
OR
Simply use a custom ROM that support Jio VolTE
Any fix for this issue yet? It's annoying, especially when the phone is made in India for India and doesn't work as expected!
Hello Guys,
As the vodafone VoLTE is launched in Delhi NCR circle i was casually trying to activate the same in my connection! I wasnt able to find the right setting, but then on the vodafone website they said to send a msg "4G Check" to 199 for checking compatibility of VoLTE on my handset (That is Note 8), to my horror the message i received was,
"Your Mobile Handset supports 4G, but will not support VoLTE. Kindly upgrade your handset to experience Vodafone VoLTE.
Are you kidding me, Note 8 doesnt support VoLTE?? Any inputs?
Note 8 supports VoLte but firmware needs required changes. Samsung have applied changes to to only three devices S9 pro, J7 next and J7 Pro to support Vodafone VoLte. Jio users already using VoLte on N8 so sooner or later it will be available for Vodafone too
But if it works with airtel volte and jio volte on the same firmware then how can it be a Samsung issue .?
Same step can be done for N9500 model too, for replacing TGY(hongkong) CSC by INS CSC ?
Will it trigger knox if I do so ?
dr.ketan said:
Download Indian firmware
extract a file that start with name HOME_CSC_OXM***
flash that with Odin CSC tab.
Before this make backup of data including Int storage as it may wipe everything.
OR
Simply use a custom ROM that support Jio VolTE
Click to expand...
Click to collapse
I am using Vodafone sim and got the same msg that volte is not supported.. Any idea how to activate it?
TheRealFighter said:
Same step can be done for N9500 model too, for replacing TGY(hongkong) CSC by INS CSC ?
Will it trigger knox if I do so ?
Click to expand...
Click to collapse
Hello, I have been wanting to enable VoLTE functionality on my Galaxy Note 8 N9500 bought from UAE. Though its from UAE I was given a N9500 Version which is a Honkong / Chinese version of the phone. I am in India and want to use Samsung pay and also VoLTE.
Samsung pay would only take me to Install Honkong version of samsung pay.
Is it possible to flash a INS (Indian) firmware on this phone ?
noob_power said:
Hello, I have been wanting to enable VoLTE functionality on my Galaxy Note 8 N9500 bought from UAE. Though its from UAE I was given a N9500 Version which is a Honkong / Chinese version of the phone. I am in India and want to use Samsung pay and also VoLTE.
Samsung pay would only take me to Install Honkong version of samsung pay.
Is it possible to flash a INS (Indian) firmware on this phone ?
Click to expand...
Click to collapse
No!
N9500 is Snapdragon soc.
Indian market gets the ones with Exynos soc.
So not compatible!
Only way is to root your phone and flash the modded csc zip file. BUT you Will LOSE Samsung pay! (For good)
BluePhnx said:
No!
N9500 is Snapdragon soc.
Indian market gets the ones with Exynos soc.
So not compatible!
Only way is to root your phone and flash the modded csc zip file. BUT you Will LOSE Samsung pay! (For good)
Click to expand...
Click to collapse
Thanks for the quick reply Buddy. If not Indian firmware can we flash firmware of a country supporting VoLte . Coz Currently when I want to toggle greyed out VoLte button it says "Volte is not supported by your current software version. Contact customer service for more details" . I can live without samsung pay.
To make VoLTE work you need the IMS APN, basically when using VoLTE all the voice is send as "data" instead of "voice" when compare to 3G but these "data" are send to the IMS APN. Some phone allow you to manually add the IMS APN and turn on VoLTE, I don't know if note8 can do this or not as I never try to do it manually.
You can copy the IMS APN setting from other phone or ask your operator for it.
As I know Samsung will only include the IMS APN of the firmware's region in the firmware only.
DummyPLUG said:
To make VoLTE work you need the IMS APN, basically when using VoLTE all the voice is send as "data" instead of "voice" when compare to 3G but these "data" are send to the IMS APN. Some phone allow you to manually add the IMS APN and turn on VoLTE, I don't know if note8 can do this or not as I never try to do it manually.
You can copy the IMS APN setting from other phone or ask your operator for it.
As I know Samsung will only include the IMS APN of the firmware's region in the firmware only.
Click to expand...
Click to collapse
Hi,
i am able to enable VOLTE. but calls not working, in IMS settings i enabled all but in IMS information VOLTE is false. i asked one guy he told that he dont know indian JIO CSC codes, so you have to contact someone who can do indian JIO CSC code for SM N 9500. pls help to get VOLTE
i am eagerly waiting for your reply and help
giri.sgc said:
Hi,
i am able to enable VOLTE. but calls not working, in IMS settings i enabled all but in IMS information VOLTE is false. i asked one guy he told that he dont know indian JIO CSC codes, so you have to contact someone who can do indian JIO CSC code for SM N 9500. pls help to get VOLTE
i am eagerly waiting for your reply and help
Click to expand...
Click to collapse
check this thread
https://forum.xda-developers.com/galaxy-note-8/help/oreo-n950n-kt-branded-ims-settings-t3769758

xz1c voLTE definitive thread

Which firmware have Volte and fingerprint sensor Active?
CE1 has e. g SIP account and working Fingersensor
I had flashed ce1 OEM.sin no voLTE avaible.
it depends on your carrier. there is no single firmware region that has VoLTE enabled for all carriers.
for example, i am on T-Mobile US, and had to flash OEM.sin from the US firmware to get VoLTE working.
I had call my carrier and they tell that the service is active. Tim italy

VoLTE, VoWIFI, 5G - carrier settings by Sony

Hi all,
Support of Sony doesn't have any idea, how it works....:
I bought a EU-device and use it in Switzerland. Unfortunately, they didn't integrate the Swiss carrier settings. Due to this, I don't have VoLTE, VoWifi (Wifi calling) and 5G.
I contacted Sony by phone and they told me that the device seems to have defect, that's why it doesn't work. So I wrote an e-mail to Sony support and they answered that the hardware is only capable to have these functions for the countries it is build for. My reply was that this is an EU-Version, so the hardware isn't the problem, they just need to add the carrier settings and if they know, when they will add them. Answer of the support: No, it is the hardware.
It is really frustrating with Sony. They have build such a nice device, but with this support, they shoulnd't be suprised about falling sales.
I was thinking of open the bootloader with Magisk and try to add the settings by myself. But first, I have never done this and I am not sure yet, what I have to do exaclty (step by step). Second, I loose the guarantee. And third, I am not sure if banking apps still work afterwards.
I really love this device, but I am a little frustrated about Sony.
If you have an idea, how I can solve this problem, you would make me happy
Flash firmware with Volte support, that's all.
Envoyé de mon XQ-AT51 en utilisant Tapatalk
I tried this already (several different localizations), bitit didnt help. The problem is, that Swiss providers didn't integrate their settings into Googles carrier services, but into another database for manufacturers. Unfortunately, Sony didn't do that on the Xperia 1 ii (even if they did it on past Xperias).
But I am most frustrated, that their customer care blame it on the hardware, but it's a software problem. Even after explaining, they don't wanna check it with a specialist. So trumping something, which isn't true.
Maybe you should contact your provider. Unlocking bootloader won't help.
Envoyé de mon XQ-AT51 en utilisant Tapatalk
According to Swisscom, everything is ready and the system is waiting for the device to register in IMS. But as the mobil doesn't have the carrier datas, it probably can't do it.
So I am back at the point, where the mobile needs the settings implemented for Swisscom...
We need to wait for flash firmware with Volte support, that's all.
For now FlashTool is not supporting our device.
Later just flash US frimware you will loose double sim but you will get VoLTE and WiFi calling. I did that on Xperia 1. It was easy and satisfy choice
I have an XQ-AT51 and also tried the UK-version, which support VoLTE/VoWifi. But as mentioned, the carrier settings of Swiss providers are missing.
I really don't know if it can help, but, have you already tried this way? here
The mentioned switch in this post is greyed out on my phone and my phone is also not IMS-registered (even my provider is offering it - I have also a second SIM for the same number with an Xperia 10 Plus with VoLTE and VoWifi). So I am pretty sure, it is only about integrating providers/carriers settings. But as Sonys customer care doesn't care about it (only this sentence shows that something is wrong there) and they don't want to check it internally with an xpert on VoLTE/VoWifi, it is frustrating.
Hey PlatinCH, any news? Did you manage to get VoLTE/VoWifi working?
That's the only thing holding me back from buying it
Yes it is quite confusing for sony, i used to flash xz premium and xperia 1 with SEA firmware on my HK device and both able to use VOLTE and VOWIFI in Thailand. So i just wait for SEA firmware to release for Xperia 1 II and i flash it over to my Xperia 1 II (HK) last night. This is quite problem the volte button is there but not work, as well noticed that IMS is not registered although it trigger on but greyed out. I think pproblem is with Sony.
Anyhow i recommend to use New Flasher now as it support Xperia 1 II, and i am contributor to the dev since Xz Premium day so the dev is very updated and quick respond and it is simple and easy to use.
Question for the OP. Have a checked the modem config files to see if your carrier is listed in there? Also have you checked to see what modem config file your phone is currently using? Just type in *#*#service#*#* and go to service info, then choose software info. Your modem config will be listed at the bottom.
Quite sure it's listed there,
This phone will always select ROW Commercial config.
Don't know if this a bug or a feature from Sony
has anyone found a solutuion for wifi calling?
tanipat said:
Yes it is quite confusing for sony, i used to flash xz premium and xperia 1 with SEA firmware on my HK device and both able to use VOLTE and VOWIFI in Thailand. So i just wait for SEA firmware to release for Xperia 1 II and i flash it over to my Xperia 1 II (HK) last night. This is quite problem the volte button is there but not work, as well noticed that IMS is not registered although it trigger on but greyed out. I think pproblem is with Sony.
Anyhow i recommend to use New Flasher now as it support Xperia 1 II, and i am contributor to the dev since Xz Premium day so the dev is very updated and quick respond and it is simple and easy to use.
Click to expand...
Click to collapse
Hello,
Can you help me? Im using xperia 1 au set convert to customised uk... But volte still didn't work... Try flash customized jp oem still dont work... I wonder if i flashed the wrong oem file... Cam you give the customized jp oem? And how to flashing with the correct way
kuya90 said:
Hello,
Can you help me? Im using xperia 1 au set convert to customised uk... But volte still didn't work... Try flash customized jp oem still dont work... I wonder if i flashed the wrong oem file... Cam you give the customized jp oem? And how to flashing with the correct way
Click to expand...
Click to collapse
normally you just need to flash your country. if you live in uk then flash uk. it used to always work previously, but in xperia 1 iii to make cross flash it wont be always work and you will lose ability to OTA. but if not cross flash and your model is the same model number in your country volte and 5g will work, still OTA is not working anyhow you need to flash update manually everytime
tanipat said:
normally you just need to flash your country. if you live in uk then flash uk. it used to always work previously, but in xperia 1 iii to make cross flash it wont be always work and you will lose ability to OTA. but if not cross flash and your model is the same model number in your country volte and 5g will work, still OTA is not working anyhow you need to flash update manually everytime
Click to expand...
Click to collapse
i dont know which rom in my country used..i just saw a video how to convert to global rom.
done flashing customized uk, and trying to get volte work,after flashing customized jp oem,still volte on my device didnt work.since in my country 3g not working anymore volte very needed..
kuya90 said:
i dont know which rom in my country used..i just saw a video how to convert to global rom.
done flashing customized uk, and trying to get volte work,after flashing customized jp oem,still volte on my device didnt work.since in my country 3g not working anymore volte very needed..
Click to expand...
Click to collapse
my device xperia 1 au set single sim version converted to global customized uk
kuya90 said:
i dont know which rom in my country used..i just saw a video how to convert to global rom.
done flashing customized uk, and trying to get volte work,after flashing customized jp oem,still volte on my device didnt work.since in my country 3g not working anymore volte very needed..
Click to expand...
Click to collapse
If you are flashing the firmware for.your region and volte doesn't work then you won't have much luck flashing different region firmware. However if you want try flashing SEA firmware if it's only compatible with your model
Hazzay88 said:
If you are flashing the firmware for.your region and volte doesn't work then you won't have much luck flashing different region firmware. However if you want try flashing SEA firmware if it's only compatible with your model
Click to expand...
Click to collapse
So, flash using newflasher J8110 customised UK TO J9110 customised SEA?

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