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Hey XDA,
I just recently purchased a AT&T S7 (SM-G930A). I also just recently found out that AT&T doesn't push updates to non AT&T network phones. I am using the phone with T-Mobile and I was wondering if it was possible to flash the T-Mobile stock rom without tripping Knox or anything of that sort. I remember being able to do this to my AT&T Note 2 back in the day. If it is possible, can someone kindly link me to the file and instructions on how to flash the stock ROM from T-Mobile? Thanks!
You can, however once you do you can't go back. It may be possible in the future, but Tmobile has a v3 bootloader, and AT&T is still on v2 bootloader.
Sent from my SAMSUNG-SM-G935A using XDA-Developers mobile app
highaltitude said:
You can, however once you do you can't go back. It may be possible in the future, but Tmobile has a v3 bootloader, and AT&T is still on v2 bootloader.
Sent from my SAMSUNG-SM-G935A using XDA-Developers mobile app
Click to expand...
Click to collapse
Thank you! One more question, I have the stock T-Mobile ROM and for the CSC, there are two files:
CSC and HOME_CSC
Which one do I choose in Odin for the CSC option?
Thanks
When attempting to flash using Odin 3.12.3, I get this error in the log:
FAIL! SHA256 is invalid
This seems to be because of a corrupt file?
I downloaded the ROM from two different sources now and still I get the same error.
Thanks
IbbiAnsi said:
When attempting to flash using Odin 3.12.3, I get this error in the log:
FAIL! SHA256 is invalid
This seems to be because of a corrupt file?
I downloaded the ROM from two different sources now and still I get the same error.
Thanks
Click to expand...
Click to collapse
use different version ODIN available in root guide in Verizon thread
kuduku said:
use different version ODIN available in root guide in Verizon thread
Click to expand...
Click to collapse
Thank you so much!! This worked!
And I figured ou the difference between HOME_CSC and CSC:
HOME_CSC keeps your data while CSC wipes it
Thanks so much
IbbiAnsi said:
Thank you so much!! This worked!
And I figured ou the difference between HOME_CSC and CSC:
HOME_CSC keeps your data while CSC wipes it
Thanks so much
Click to expand...
Click to collapse
So TMobile ROM on 930A . Any issues ? Did you try going back to AT&T ROM
All that talk out bootloader versions and not able to restore back to AT&T ROM
Can you odin Unlocked 930U version ?
I'm using Cricket on AT&T S7 variant and I couldn't get any update from AT&T, which pissed me off. So I decided to flash G930U firmware and I succeeded. But unfortunately, there isn't a single G930U update been released so far, which is quite surprising.
Other than the update, I'm extremely satisfied with the new firmware. It's so fast and clean comparing to my previous bloated AT&T firmware, free of all kinds of overheating, battery dropping, slowing down, crashing, auto-restarting, bugs and lags (Just so you know, my G930A firmware was the newest. I had to take my phone to Best Buy to update. And I used PDP to disable bloatwares). I highly recommend everyone to flash G930U. The new firmware also has an APP called Samsung+. It's very useful and it tells you if it detected slow charging, or reminds you to restart your phone if it hasn't been restarted for a while, etc.
I'm still wondering if I can receive OTA after flashing anther variant firmware, but I can't confirm since there's no update for G930U yet. I'm curious to know if OP could receive any T-Mobile update after flashing.
kuduku said:
So TMobile ROM on 930A . Any issues ? Did you try going back to AT&T ROM
All that talk out bootloader versions and not able to restore back to AT&T ROM
Can you odin Unlocked 930U version ?
Click to expand...
Click to collapse
No issues at all so far. Works perfectly. I don't really want to go back to the stock ATT ROM because I don't need it.
Sent from my SM-G930T using Tapatalk
hugeadrian said:
I'm using Cricket on AT&T S7 variant and I couldn't get any update from AT&T, which pissed me off. So I decided to flash G930U firmware and I succeeded. But unfortunately, there isn't a single G930U update been released so far, which is quite surprising.
Other than the update, I'm extremely satisfied with the new firmware. It's so fast and clean comparing to my previous bloated AT&T firmware, free of all kinds of overheating, battery dropping, slowing down, crashing, auto-restarting, bugs and lags (Just so you know, my G930A firmware was the newest. I had to take my phone to Best Buy to update. And I used PDP to disable bloatwares). I highly recommend everyone to flash G930U. The new firmware also has an APP called Samsung+. It's very useful and it tells you if it detected slow charging, or reminds you to restart your phone if it hasn't been restarted for a while, etc.
I'm still wondering if I can receive OTA after flashing anther variant firmware, but I can't confirm since there's no update for G930U yet. I'm curious to know if OP could receive any T-Mobile update after flashing.
Click to expand...
Click to collapse
I flashed to the latest update of the ROM so I can't prove it works. But from what I've heard, after flashing the ROM you need to factory reset the phone so it can unregister from att and register to whatever carrier you are using it on. I am not sure how true this is but I read it somewhere and it seems to make sense.
Sent from my SM-G930T using Tapatalk
IbbiAnsi said:
No issues at all so far. Works perfectly. I don't really want to go back to the stock ATT ROM because I don't need it.
Sent from my SM-G930T using Tapatalk
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Click to collapse
if you ever switch ROMs please check about the issue of bootloader version and not able to revert back .
Not able to revert back is the only issue keeping me from odin to T mobile ROM
If bootloader version is a problem then you cannot flash 930U firmware also
Is that so ?
kuduku said:
if you ever switch ROMs please check about the issue of bootloader version and not able to revert back .
Not able to revert back is the only issue keeping me from odin to T mobile ROM
If bootloader version is a problem then you cannot flash 930U firmware also
Is that so ?
Click to expand...
Click to collapse
I'm not sure what bootloader the G930U has. The att ROM has v2. If it's newer than that, then downgrading isn't possible. Is its the same, then it should be fine.
Sent from my SM-G930T using Tapatalk
Wonder if wifi calling works using a TMobile firmware with att service
joe3681 said:
Wonder if wifi calling works using a TMobile firmware with att service
Click to expand...
Click to collapse
T-mobile WiFi calling works fine on the T-mobile ROM.
Sent from my SM-G930T using Tapatalk
IbbiAnsi said:
I'm not sure what bootloader the G930U has. The att ROM has v2. If it's newer than that, then downgrading isn't possible. Is its the same, then it should be fine.
Sent from my SM-G930T using Tapatalk
Click to expand...
Click to collapse
930A and 930U both have to be similar bootloader , thats why we could change ROMs
kuduku said:
930A and 930U both have to be similar bootloader , thats why we could change ROMs
Click to expand...
Click to collapse
If they are the same, then switching between them should be fine.
Sent from my SM-G930T using Tapatalk
IbbiAnsi said:
No issues at all so far. Works perfectly. I don't really want to go back to the stock ATT ROM because I don't need it.
Could you please check for me if T-Mobile ROM has portuguese language?
Thank you
Click to expand...
Click to collapse
IbbiAnsi said:
If they are the same, then switching between them should be fine.
Sent from my SM-G930T using Tapatalk
Click to expand...
Click to collapse
query is switching from T mobile ROM back to AT&T . Please update if and when you do it
kuduku said:
query is switching from T mobile ROM back to AT&T . Please update if and when you do it
Click to expand...
Click to collapse
This won't be possible until ATT decides to update to bootloader V3
Sent from my SM-G930T using Tapatalk
I was also able to flash the 930T on my 930A. I saw there was a Note 7 port but you need root and TWRP. Haven't tried flashing back to 930U yet, but thinking about it.
I know that the AT&T and T-Mobile variant of the S7E can use the custom international firmware, but can our variant do the same? Like can I use any of the SM-G935U or SM-G935F, I know this is a newbie question, but I'm asking because I had a S4 and I could load custom roms on my S4, but I'm not sure about now since I switched to iphone then switched back.
LancerEvoDrifter said:
I know that the AT&T and T-Mobile variant of the S7E can use the custom international firmware, but can our variant do the same? Like can I use any of the SM-G935U or SM-G935F, I know this is a newbie question, but I'm asking because I had a S4 and I could load custom roms on my S4, but I'm not sure about now since I switched to iphone then switched back.
Click to expand...
Click to collapse
Do you have the U phone? If it's the U firmware you have then you can flash major US carrier firmware onto the phone and vice versa.
Outbreak444 said:
Do you have the U phone? If it's the U firmware you have then you can flash major US carrier firmware onto the phone and vice versa.
Click to expand...
Click to collapse
I have the SM-G935V (Which is the US Verizon with the Snapdragon 820) so I'm not sure if I can flash the firmware in the first place
LancerEvoDrifter said:
I have the SM-G935V (Which is the US Verizon with the Snapdragon 820) so I'm not sure if I can flash the firmware in the first place
Click to expand...
Click to collapse
Then yes, you can flash the US's international U firmware onto your phone.
Outbreak444 said:
Then yes, you can flash the US's international U firmware onto your phone.
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Click to collapse
So I'm guessing that the SM-G935F firmware is something I can't install on my SM-G935V, since its using different hardware than my phone? (Kinda wanted to ask because theres more selection on the F firmware than the U firmware
LancerEvoDrifter said:
So I'm guessing that the SM-G935F firmware is something I can't install on my SM-G935V, since its using different hardware than my phone? (Kinda wanted to ask because theres more selection on the F firmware than the U firmware
Click to expand...
Click to collapse
You're right. The F cannot be installed unless someone finds a way to port it over but the U firmware can be flashed without a problem.
Outbreak444 said:
You're right. The F cannot be installed unless someone finds a way to port it over but the U firmware can be flashed without a problem.
Click to expand...
Click to collapse
And other carriers firmware (T-Mobile,AT&T,Sprint) can be flashed on the verizon phone, is that correct?
LancerEvoDrifter said:
And other carriers firmware (T-Mobile,AT&T,Sprint) can be flashed on the verizon phone, is that correct?
Click to expand...
Click to collapse
From what I've seen that is correct. There are different roms available for each carrier as well if you plan on swapping a lot.
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
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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?
Curious i read a few post regarding flashing back to stock but not a 100%sure ..im using Tmobile and wont to flash my phone back to stock firmware. Im using the unlocked international variant SM-G935F and want to ensure i have Volte...which firmware should i flash. Appreciate any help
recepo1 said:
Curious i read a few post regarding flashing back to stock but not a 100%sure ..im using Tmobile and wont to flash my phone back to stock firmware. Im using the unlocked international variant SM-G935F and want to ensure i have Volte...which firmware should i flash. Appreciate any help
Click to expand...
Click to collapse
You can't flash the TMO Firmware since it's Snapdragon you will brick your device.
You can, however, flash TMO CSC
Go here
https://forum.xda-developers.com/showthread.php?t=3392957
"Zed?Zed's dead baby...Zed's dead "
Sent from my Echoe Powered Official Nougat G935f
Thank you
s7freak said:
You can't flash the TMO Firmware since it's Snapdragon you will brick your device.
You can, however, flash TMO CSC
Go here
https://forum.xda-developers.com/showthread.php?t=3392957
"Zed?Zed's dead baby...Zed's dead "
Sent from my Echoe Powered Official Nougat G935f
Click to expand...
Click to collapse
If you just want to change to the TMO CSC, s7freak's info is the way to go.
If you are looking to completely wipe and reload the stock firmware that came with your phone, You have to use SM-G935F firmware.
[https://www.sammobile.com/firmware... - Works awesome on my Samsung Galaxy S7 Edge
joe.skelly said:
If you just want to change to the TMO CSC, s7freak's info is the way to go.
If you are looking to completely wipe and reload the stock firmware that came with your phone, You have to use SM-G935F firmware.
[https://www.sammobile.com/firmware... my Samsung Galaxy S7 Edge[/QUOTE]
thank you
Click to expand...
Click to collapse
Hi, I rooted my s8 a couple of weeks ago, but now I cant use my phone to pay and the phone firmware is buggy(Yes, I installed the stable firmware after rooting). So does anyone know where can I get a rogers G950U stock firmware? Sammobile doesn't have it.
Thank you
You'll actually need the 950W firmware.
That is the one I have G950U
heshamellisy said:
That is the one I have G950U
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Click to collapse
rogers is a canadian carrier.
G950U1 = US Unlocked
G950W = Canada
do you want to flash canadian firmware on the phone?
Auzzical said:
rogers is a canadian carrier.
G950U1 = US Unlocked
G950W = Canada
do you want to flash canadian firmware on the phone?
Click to expand...
Click to collapse
Does the model no. change when you install another firmware? because i got this s8 from rogers but it says g950u as the modelno.
heshamellisy said:
Does the model no. change when you install another firmware? because i got this s8 from rogers but it says g950u as the modelno.
Click to expand...
Click to collapse
Then it's wrong
crixley said:
Then it's wrong
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Click to collapse
Wrong firmware?
heshamellisy said:
Wrong firmware?
Click to expand...
Click to collapse
Could just be named wrong
crixley said:
Could just be named wrong
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Click to collapse
can i just install G950W firmware on it?
heshamellisy said:
can i just install G950W firmware on it?
Click to expand...
Click to collapse
That's what you're supposed to flash
Knox is already set to 0x1 and its tripped so the pay function wont be comming back atleast samsung pay
heshamellisy said:
So does anyone know where can I get a rogers G950U stock firmware? Sammobile doesn't have it.
Thank you
Click to expand...
Click to collapse
Give a look through
http://updato.com/firmware-archive-select-model?q=sm-g950u&exact=1&r=&v=&rpp=15
They have a pretty extensive collection. You'll likely find a copy there.
Sent from my Galaxy S8 using XDA Labs
heshamellisy said:
Does the model no. change when you install another firmware? because i got this s8 from rogers but it says g950u as the modelno.
Click to expand...
Click to collapse
yes ive flashed Canadian firmware and it changed my model number from U to W. flashed back US and it changed back to U(1)