VoLTE in India - Samsung Galaxy S7 Edge Questions and Answers

Hey Guys, please help me out here... I have a US TMobile variant s7 edge, flashed SM935U however unable to use VoLTE.. I have been told that I cannot flash an Indian firmware, isnt there any other solution out there that can help me enable VoLTE.. Im using a calling app to make and send calls/sms.. someone pls helppp...

If the local carriers don't support VoLTE, nothing you do can allow you to use it.
Sent from my Galaxy S7 Edge Duos via Tapatalk

chanchan05 said:
If the local carriers don't support VoLTE, nothing you do can allow you to use it.
Click to expand...
Click to collapse
Hi Chanchan,
The local carrier supports ONLY VoLTE hence making it imperative for me to enable VoLTE!! Any solutions??

Flash the INS CSC and you'll be golden.

sourabhsrinivas said:
Flash the INS CSC and you'll be golden.
Click to expand...
Click to collapse
snapdragon tmobile
exyn is indian

sourabhsrinivas said:
Flash the INS CSC and you'll be golden.
Click to expand...
Click to collapse
Will that not brick the phone as Indian firmware is dual sim and on a different chipset...

Yes it will brick. Basically your only option is a new phone.
Sent from my SM-G935F using Tapatalk

Use BTU

k****ij84 said:
Use BTU
Click to expand...
Click to collapse
BTU? What's that, how can I make that work..Sorry Im new to this so not sure what BTU stands for...Any link/video u can direct me to??

BTU is UK firmware, just search the forum's here on s7edge

k****ij84 said:
BTU is UK firmware, just search the forum's here on s7edge
Click to expand...
Click to collapse
Gotcha.. If i flash btu on 935u that will enable my phone to use VoLTE in India??

Don't flash BTU. Your phone will be bricked. As all International models are in exynos you can't flash an exynos Rom over snapdragon
Sent from my SM-G935F using Tapatalk

For VoLTE you need an Indian localized rom (for Samsung usually the local unbranded one works, too). Since in India the Exynos variant is distributed you will have a hard time to find a suitable rom for your Snapdragon one. If your provider does not have any app based solution you may be out of luck.

Volte mobile is good i love all features and speed of this phone. I like its work fast and did not hung.

S7 Edge said:
Will that not brick the phone as Indian firmware is dual sim and on a different chipset...
Click to expand...
Click to collapse
Sorry! Didn't realise that! :3

Did you find some solution?

No! No solution yet...

Success... Hello Jio
junear said:
Did you find some solution?
Click to expand...
Click to collapse
S7 Edge said:
No! No solution yet...
Click to expand...
Click to collapse
I was in the same boat... Just flashed a U firmware over USA model and rooted it.
Then via flashfire, Flash this CSC Which was basically pulled out from S8 CSC selector file by @Tkkg1994
VoLTE should pop-up after reboot.
Even wifi calling toggle comes up but Jio is yet to implement the feature (Don't turn it on... you'll miss calls when on wifi)
Thank the original developers.

nimms said:
I was in the same boat... Just flashed a U firmware over USA model and rooted it.
Then via flashfire, Flash this CSC Which was basically pulled out from S8 CSC selector file by @Tkkg1994
VoLTE should pop-up after reboot.
Even wifi calling toggle comes up but Jio is yet to implement the feature (Don't turn it on... you'll miss calls when on wifi)
Thank the original developers.
Click to expand...
Click to collapse
Unfortunately I wont be able to root, but will check how this CSC can be used with Odin.

junear said:
Unfortunately I wont be able to root, but will check how this CSC can be used with Odin.
Click to expand...
Click to collapse
Why can't you root? You can't use this CSC via Odin.. it's a flashable zip.

Related

S7 edge update to 7.0 on UK networks

I've got my phone thru EE and checked for update to 7.0 but nothing as of yet.
Has anyone in the UK received update to 7.0 and which network?
I'm thinking updating via Odin but I've read some people knox tripped using odin which is very unusal. Anyone else had the same issue?
Thanks
update
I've updated my to nougat via odin and no know tripped. Void counter remains 0.
Hi,
I'm also in the U.K using an Un-Branded Sim Free s7 edge.
I use many of the Uk Payg Networks.
You would need to wait until Samsung have sent the Firmware to EE for them to test and send back with any requested refinements and then would be pushed out to your phone. This can delay things a bit.
The Firmware should be pushed out to me directly from Samsung. (Still waiting)
Samsung U.K advised me its being sent out in waves.
Have you received update?
How are you finding it?
Thanks
riz157 said:
Have you received update?
How are you finding it?
Thanks
Click to expand...
Click to collapse
I believe he told you already:
"The Firmware should be pushed out to me directly from Samsung. (Still waiting)"
riz157 said:
I've got my phone thru EE and checked for update to 7.0 but nothing as of yet.
Has anyone in the UK received update to 7.0 and which network?
I'm thinking updating via Odin but I've read some people knox tripped using odin which is very unusal. Anyone else had the same issue?
Thanks
Click to expand...
Click to collapse
ODIN doesn't trip Knox. Where did you read this exactly?
No networks have released network firmware. The only UK users to get Nougat officially are those with handsets that use stock UK BTU firmware.
If you only want Wi-Fi calling then flashing Nougat through ODIN is fine.
If you want VoLTE as well, then you need to flash the Nougat BETA 1 CSC in ODIN as well
Galactus said:
ODIN doesn't trip Knox. Where did you read this exactly?
No networks have released network firmware. The only UK users to get Nougat officially are those with handsets that use stock UK BTU firmware.
If you only want Wi-Fi calling then flashing Nougat through ODIN is fine.
If you want VoLTE as well, then you need to flash the Nougat BETA 1 CSC in ODIN as well
Click to expand...
Click to collapse
Thanks very useful info. So I flash the other files from final release and select csc from beta 1 or flash csc separately?
I had XEO csc, flashed nougat btu, downgraded back to 6.0.1 and csc changed to XEU, flashed back to 7.0 btu and knox remained 0X0
riz157 said:
Thanks very useful info. So I flash the other files from final release and select csc from beta 1 or flash csc separately?
Click to expand...
Click to collapse
Always flash together. All files from main release, but Nougat BETA 1 CSC. This of course will wipe your phone. Do a smart switch or Samsung cloud back up. It won't save app data, but it'll save all your .apk files, messages etc
Galactus said:
Always flash together. All files from main release, but Nougat BETA 1 CSC. This of course will wipe your phone. Do a smart switch or Samsung cloud back up. It won't save app data, but it'll save all your .apk files, messages etc
Click to expand...
Click to collapse
thanks you wouldn't happen to have link to reliable beta 1 csc?
riz157 said:
thanks you wouldn't happen to have link to reliable beta 1 csc?
Click to expand...
Click to collapse
http://www107.zippyshare.com/v/IQt68O79/file.html
Uploaded myself.
Galactus said:
http://www107.zippyshare.com/v/IQt68O79/file.html
Uploaded myself.
Click to expand...
Click to collapse
cheers successfully update but no VoLTE though, no wifi calling either.
riz157 said:
cheers successfully update but no VoLTE though, no wifi calling either.
Click to expand...
Click to collapse
What is your CSC?
Galactus said:
What is your CSC?
Click to expand...
Click to collapse
The one you linked. Can I just flash csc again?
riz157 said:
The one you linked. Can I just flash csc again?
Click to expand...
Click to collapse
Use the Samsung Phone info app to double check your CSC is BTU.
Galactus said:
Use the Samsung Phone info app to double check your CSC is BTU.
Click to expand...
Click to collapse
See screen shot pls it's ZPK4
riz157 said:
See screen shot pls it's ZPK4
Click to expand...
Click to collapse
Go to the other screen called CSC.
Galactus said:
Go to the other screen called CSC.
Click to expand...
Click to collapse
It's btu
Did you have wifi calling and volte before? can't see why a full flash wouldn't work since it has worked for everyone else that tried
Hasn't worked for everyone else. I lost WiFi calling when I went from EVR to BTU. I used Odin and flashed all files except HOME_CSC.
I'm not sure if this will help but I had similar problem with WiFi calling not working on Vodafone after flashing BTU when it used to work with BTU MM. Someone suggested to disable WiFi calling through the Vodafone app and enable it again, this fixed the issue. Do EE have a similar app or process you can try?
Sent from my SM-G935F using Tapatalk

Serious help needed for s7 edge. Calling all the senior developers and members.

I have an s7 edge (G935W8) which is from canada. I am using it in india right now. I want to get volte working on my device which from searches i've found that i need to have indian firmware installed on my phone.
So i tried several firmwares, MM and N also, but no luck with odin. It is giving errors straight away ( repartition operation failed and oltht). Tried different firmwares, only ap and csc, repartition ticked and unticked and all the stuff that i've founded on the internet.
I don't want to root, i want only official Indian firmware on my S7 EDGE from CANADA (SM-G935W8).
Please guys help me out with that. I want it done.
ajay.chopra312 said:
I have an s7 edge (G935W8) which is from canada. I am using it in india right now. I want to get volte working on my device which from searches i've found that i need to have indian firmware installed on my phone.
So i tried several firmwares, MM and N also, but no luck with odin. It is giving errors straight away ( repartition operation failed and oltht). Tried different firmwares, only ap and csc, repartition ticked and unticked and all the stuff that i've founded on the internet.
I don't want to root, i want only official Indian firmware on my S7 EDGE from CANADA (SM-G935W8).
Please guys help me out with that. I want it done.
Click to expand...
Click to collapse
There is no indian firmware for canadian version
matthew2man said:
There is no indian firmware for canadian version
Click to expand...
Click to collapse
So many videos out there for the other countries for changing the csc. Why not for canadian one?
because G935W8 have csc for canadian carriers, not same csc as G935F the international one
matthew2man said:
because G935W8 have csc for canadian carriers, not same csc as G935F the international one
Click to expand...
Click to collapse
That means i can't get volte in any manner?
ajay.chopra312 said:
That means i can't get volte in any manner?
Click to expand...
Click to collapse
Don't think you can do it unless you can flash indian bp/cp
HeavenlyFall said:
Don't think you can do it unless you can flash indian bp/cp
Click to expand...
Click to collapse
And i want instructions on the same. Please guide me with that.
Edit : if i root my device and install custom rom, can i be able to get back to stock indian firmware?
ajay.chopra312 said:
And i want instructions on the same. Please guide me with that.
Edit : if i root my device and install custom rom, can i be able to get back to stock indian firmware?
Click to expand...
Click to collapse
Yes, you can get back to the stock firmware from custom ROM. All of the stock firmwares/os are here: https://www.sammobile.com/firmwares/ and can be flashed with odin, resetting the phone to factory default state, i.e. as you buy it now and without any info on it. No matter if it was custom ROM or not before that.
high_voltage said:
Yes, you can get back to the stock firmware from custom ROM. All of the stock firmwares/os are here: https://www.sammobile.com/firmwares/ and can be flashed with odin, resetting the phone to factory default state, i.e. as you buy it now and without any info on it. No matter if it was custom ROM or not before that.
Click to expand...
Click to collapse
I was looking forward for getting to indian firmware on my canadian edge
ajay.chopra312 said:
I was looking forward for getting to indian firmware on my canadian edge
Click to expand...
Click to collapse
Depends on the model. If on the site there is canadian firmware for that model of the s7 - can be done via odin. If the phone is specific and there is no canadian firmware - can't be done.
high_voltage said:
Depends on the model. If on the site there is canadian firmware for that model of the s7 - can be done via odin. If the phone is specific and there is no canadian firmware - can't be done.
Click to expand...
Click to collapse
I think only the F model can have firmware from other countries flashed onto it.
Sent from my SM-G935F using Tapatalk
daniel4653 said:
I think only the F model can have firmware from other countries flashed onto it.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
Any candian csc which could support volte from jio in india?

[Q] Good stock ROM

Hello everyone, I'm looking for a ROM stock that have these things: VoLTE, unbranded, and that appears the LTE data indicator (not 4G). I using the CSC TPA and this ROM doesn't have the VoLTE function. Note: I don't want root the phone (yet).
danielcuervog said:
Hello everyone, I'm looking for a ROM stock that have these things: VoLTE, unbranded, and that appears the LTE data indicator (not 4G). I using the CSC TPA and this ROM doesn't have the VoLTE function. Note: I don't want root the phone (yet).
Click to expand...
Click to collapse
wrong thread...and if you dont root you wont get any vustom roms on it
danielcuervog said:
Hello everyone, I'm looking for a ROM stock that have these things: VoLTE, unbranded, and that appears the LTE data indicator (not 4G). I using the CSC TPA and this ROM doesn't have the VoLTE function. Note: I don't want root the phone (yet).
Click to expand...
Click to collapse
stay on what you're using then. based on what i think if your carrier provider csc doesnt support volte then you're out of luck.
or yiu are on the wrong fw for your country which then you can use odin to flash it and you don't need root to do so
teddytsen said:
stay on what you're using then. based on what i think if your carrier provider csc doesnt support volte then you're out of luck.
or yiu are on the wrong fw for your country which then you can use odin to flash it and you don't need root to do so
Click to expand...
Click to collapse
Yes, I understand. But are they a ROM or CSC that have I said?
danielcuervog said:
Yes, I understand. But are they a ROM or CSC that have I said?
Click to expand...
Click to collapse
im sorry, what?

S8 SM-950FD Jio VoLTE Support help

Noob Questions : I have scanned the forum to find answers on how enable VoLTE feature in Galaxy S8 Sm-950FD for Jio Sim. I have tried the Odin route and APN method without any success. I would request friends here to provide detailed help or pointers on how to enable VoLTE for Jio Sim. Appreciate help in advance.
No need to enable VoLTE. just choose the network mode as LTE/3G/2G mode and jio volte works..
for me its working from day one.
Thanks for the reply. i have network status as mentioned. Mobile Data worKs fine but not able maKe voice calls as Jio requires VoLTE support. As of now I am usIng Jio4g voice app. Am I missing something?
Did you buy the S8 from out of India?
Sivagamr said:
Noob Questions : I have scanned the forum to find answers on how enable VoLTE feature in Galaxy S8 Sm-950FD for Jio Sim. I have tried the Odin route and APN method without any success. I would request friends here to provide detailed help or pointers on how to enable VoLTE for Jio Sim. Appreciate help in advance.
Click to expand...
Click to collapse
I have bought my S8 from Dubai and there was no VOLTE option. However my Jio sim worked fine by default. Updating to Oreo has now given me the VOLTE option.
I got this device from US. I am on Nougat. Updating Oreo will solve the problem?
Can anyone kindly help please!!!!
Sivagamr said:
I got this device from US. I am on Nougat. Updating Oreo will solve the problem?
Click to expand...
Click to collapse
Buying it from US shouldn't matter if it is 950FD device. I hope you're using a Exynos device? What is your active CSC?
Sent from my Pixel 2 using Tapatalk
gillboyzz said:
Buying it from US shouldn't matter if it is 950FD device. I hope you're using a Exynos device? What is your active CSC?
Sent from my Pixel 2 using Tapatalk
Click to expand...
Click to collapse
My device show Active CsC as Some BTU and origin country as UK,IRE GB. .
Sivagamr said:
My device show Active CsC as Some BTU and origin country as UK,IRE GB. .
Click to expand...
Click to collapse
It is using Exynos5/Exynos8895 chip set. Looking for guidance.
Sivagamr said:
It is using Exynos5/Exynos8895 chip set. Looking for guidance.
Click to expand...
Click to collapse
Backup your data, Download the latest INS (India) firmware for your device. Insert the Jio sim in slot 1 and flash the firmware through Odin. Use the regular CSC and not the Home_CSC as we need to factory reset the device. Post that you should have the INS CSC.
Sent from my Pixel 2 using Tapatalk
gillboyzz said:
Backup your data, Download the latest INS (India) firmware for your device. Insert the Jio sim in slot 1 and flash the firmware through Odin. Use the regular CSC and not the Home_CSC as we need to factory reset the device. Post that you should have the INS CSC.
Sent from my Pixel 2 using Tapatalk
Click to expand...
Click to collapse
Thanks for the reply. The latest firmware you mean , on Sammobile is Nougat. Is it ok if I use that. Also if flash using ODIN, will I have to redo TWRP as I will loose Root access?
Sivagamr said:
Thanks for the reply. The latest firmware you mean , on Sammobile is Nougat. Is it ok if I use that. Also if flash using ODIN, will I have to redo TWRP as I will loose Root access?
Click to expand...
Click to collapse
Search for the Oreo Odin update on Google that was released for India a week back but it is no longer available as Sam took it down. Otherwise, flash the last Nougat version. Yes, you'll loose root, twrp etc as the phone would return to the stock condition. I could have recommended flashing files through twrp, but I believe, your active CSC is messed up so a clean flash is highly recommended.
Sent from my Pixel 2 using Tapatalk
gillboyzz said:
Search for the Oreo Odin update on Google that was released for India a week back but it is no longer available as Sam took it down. Otherwise, flash the last Nougat version. Yes, you'll loose root, twrp etc as the phone would return to the stock condition. I could have recommended flashing files through twrp, but I believe, your active CSC is messed up so a clean flash is highly recommended.
Sent from my Pixel 2 using Tapatalk
Click to expand...
Click to collapse
ThanKs for the valuable input. My streak of bad luck continues. I just flashed stock INS version of nougat still VoLTE doesn't show up. Not sure what to do.
Sivagamr said:
ThanKs for the valuable input. My streak of bad luck continues. I just flashed stock INS version of nougat still VoLTE doesn't show up. Not sure what to do.
Click to expand...
Click to collapse
Still CSC show as UK IRE GB. Please help
Sivagamr said:
Still CSC show as UK IRE GB. Please help
Click to expand...
Click to collapse
Can you post a screenshot of the CSC
Sent from my Pixel 2 using Tapatalk
gillboyzz said:
Can you post a screenshot of the CSC
Sent from my Pixel 2 using Tapatalk
Click to expand...
Click to collapse
Sorry Able to upload screenshot. The screen shot is as follow
csc tab in PhoneInfo has following values
Product Code: SM-G950FZKBTU
Active CSC: BTU
CSC Country: UK IRE /GB
Firmware
Bootloader Version: G950XXU1AQL5
PDA VERSION G950XXU1AQL5
CSC G950FOX1AQL5
BASEBAND VERSION G950XXU1AQL5
LATES FIRMWARE YES
ANDROID VERSION 7.0
BUILD ROM NRD90ROM G950XXU1AQL5
Sivagamr said:
Sorry Able to upload screenshot. The screen shot is as follow
csc tab in PhoneInfo has following values
Product Code: SM-G950FZKBTU
Active CSC: BTU
CSC Country: UK IRE /GB
Firmware
Bootloader Version: G950XXU1AQL5
PDA VERSION G950XXU1AQL5
CSC G950FOX1AQL5
BASEBAND VERSION G950XXU1AQL5
LATES FIRMWARE YES
ANDROID VERSION 7.0
BUILD ROM NRD90ROM G950XXU1AQL5
Click to expand...
Click to collapse
sorry for the typo. was unable upload screenshot for some reason. The firmware flashed via ODIN is latest Nougat INS build. Looking forward for suggestions
Sivagamr said:
sorry for the typo. was unable upload screenshot for some reason. The firmware flashed via ODIN is latest Nougat INS build. Looking forward for suggestions
Click to expand...
Click to collapse
You're doing something wrong. The active CSC can't be BTU if you followed the steps correctly. Till the time, you don't completely wipe the device, it would never fall back to the correct CSC. Additionally, you need to have an Indian sim in Slot 1 before you do the process as system dynamically allocates the CSC based on the sim in slot 1.
gillboyzz said:
You're doing something wrong. The active CSC can't be BTU if you followed the steps correctly. Till the time, you don't completely wipe the device, it would never fall back to the correct CSC. Additionally, you need to have an Indian sim in Slot 1 before you do the process as system dynamically allocates the CSC based on the sim in slot 1.
Click to expand...
Click to collapse
Can you kindly elaborate what you mean by completely wipe the device. since I am using ODiN to flash the firmware, option of complete wipe doesn't arise right.? As it puts the device to stock. The firmware from Sammobile cannot be using as TWRP flash. Also I am using JIo sim in first sim slot. Am I missing any steps..... Thanks for tIme.
Sivagamr said:
Can you kindly elaborate what you mean by completely wipe the device. since I am using ODiN to flash the firmware, option of complete wipe doesn't arise right.? As it puts the device to stock. The firmware from Sammobile cannot be using as TWRP flash. Also I am using JIo sim in first sim slot. Am I missing any steps..... Thanks for tIme.
Click to expand...
Click to collapse
In the firmware pckg, there are 2 CSC files, one is the regular CSC that completely (System,Data,Internal Storage) wipes the device and the other one is Home_CSC that wipes all except the Internal Storage. You need to use the regular CSC.
Else, right now go into Settings >> Reset and do a Factory Reset.
Sent from my ONEPLUS A5010 using Tapatalk

Can I flash my S8(GM-950u1) to S8(GM-950FD) (INS version) to obtain VOLTE?

I have an unlocked S8(GM-950u1) and I don't have VOLTE option. So if I want to have volte as an option, can I flash my phone to (GM-950FD)? If no, which firmware should I flash such that I get VOLTE as an option?
monk1998 said:
I have an unlocked S8(GM-950u1) and I don't have VOLTE option. So if I want to have volte as an option, can I flash my phone to (GM-950FD)? If no, which firmware should I flash such that I get VOLTE as an option?
Click to expand...
Click to collapse
No you'll hardbrick trying
TheMadScientist said:
No you'll hardbrick trying
Click to expand...
Click to collapse
I second this, clearer phone call audio is not worth bricking your device for
monk1998 said:
I have an unlocked S8(GM-950u1) and I don't have VOLTE option. So if I want to have volte as an option, can I flash my phone to (GM-950FD)? If no, which firmware should I flash such that I get VOLTE as an option?
Click to expand...
Click to collapse
You might be able to flash your carriers csc and it may be enabled then. Thus turning the device into a 950u. But any f is a exynos edition and cannot be in anyway flashed to a u device
TheMadScientist said:
You might be able to flash your carriers csc and it may be enabled then. Thus turning the device into a 950u. But any f is a exynos edition and cannot be in anyway flashed to a u device
Click to expand...
Click to collapse
Hi how can I change csc? I got G955N and my network in global roaming. I don't know why. It won't has option to select 4G or 3G in mobile network section.
YosephYo Tangly said:
Hi how can I change csc? I got G955N and my network in global roaming. I don't know why. It won't has option to select 4G or 3G in mobile network section.
Click to expand...
Click to collapse
There are many guides on csc swapping in the general section

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