AT&T S6 Galaxy, no Marshmellow update available? - General Questions and Answers

Hello,
My wife's phone is an AT&T branded Samsung S6 Galaxy, we're on T-Mobile.
I'm trying to get it updated to Marshmellow but it's not available when I check from OTA or when I plug the phone in USB and load Smart Switch on my PC.
Is there a way I can upgrade it to Marshmellow without rooting the phone?
Greatly appreciate it.

Can anyone help me please? I called T-Mobile & Samsung, neither could get the OTA Marshmellow update working on my wife's unlocked AT&T phone on T-mobile.
Thank you.

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[Q] Is it possible to flash a T-Mobile stock firmware on my Verizon Samsung S3?

I have a Samsung Galaxy S III Verizon (model: SCH-I535) and its currently updated to its latest firmware, I was trying to downgrade/ root it but it wont work it keeps failing on Odin. My purpose was my main question, is it possible that I could flash a stock SGH T999 firmware on my phone? I would be really grateful if someone showed me a step by step process on how this could be done.
And recently I cant do anything with my phone but officially upgrade it. I think when i upgraded its firmware the security suddenly got tighter, can someone help me about this?
My plan was suppose to be (knowing that 4.3 and the latest firmware on my Verizon prevented me from doing anything): to downgrade to a lower firmware version, then flash the T-Mobile stock firmware.

Sprint Galaxy S5 factory image needed

I recently purchased a Sprint S5 and rooted with towel root so that I could remove the pre-installed bloatware that shipped with the device. After I rooted, I was blocked from receiving ota updates. Does anyone know where I can find an un-modified factory image for the sprint S5? My software version is G900PVPU1ANE5 and my hardware version is G900P.04... Samsung suggests that I update thru Kies but looking over google, i found out that samsung blocks updates thru kies for rooted users. Any help would be greatly appreciated.
Look at Sammobile. They have all official images.
Just remove one by one root programs you installed and will go back to official status. In my case it was Titanium that tripped it. After uninstall, restart it was back to official.
Wouldn't it have been easier for you to just look in the correct forum?
This is the Sprint S5 thread.
http://forum.xda-developers.com/sprint-galaxy-s5

Can I do with my ATT S7?

I just got an S7 today, the SM-G930A from ATT. I had an upgrade available so I went for it and got rid of my old S4 Active. From what I've read so far it doesn't look like I can root my new phone right now but I wanted to ask just to make sure I'm not missing anything. Any help would be appreciated, thanks!
Darko002 said:
I just got an S7 today, the SM-G930A from ATT. I had an upgrade available so I went for it and got rid of my old S4 Active. From what I've read so far it doesn't look like I can root my new phone right now but I wanted to ask just to make sure I'm not missing anything. Any help would be appreciated, thanks!
Click to expand...
Click to collapse
No you cannot root it, because it's bootloader is locked down by Samsung. Even if you tried to install twrp on it, you would just brick your device.

rooting VVRS4 ?

Hi,
I just bought a Like new S6.
I thought I was getting a factory unlocked device, but I got a Verizon unlocked phone (for other carriers) and full of bloatware from Samsung and Verizon.
I can still return it, but before doing so, I was looking for options about rooting or installing a different ROM.
it has Nougat 7.0, Firmware G920VVRS4DQI1, Kernel 3.10.61
As I understand, currently there's no way to modify anything in this model, right?
Should I return it?
Thank you for your replies

G955USQS5CRI4 to U1 Possible?

I've been looking on how to get on Samsung official firmware so get rid of a lot of bloat. I just got this phone so I'm needing a little help. I had the s7 edge and was able to get on the unlocked model. Thanks.

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