Can I Update my Unlocked At&t S8+ with T-Mobile software? - Samsung Galaxy S8+ Questions & Answers

I've got G955U (unlocked At&t) version and there aren't a lot of roms for it. I'm trying to stay on stock version, but I really want to update to 9.0
Online, Ive only found TMobile update to 9.0.
I don't have an AT&T sim with me because I have to be in India for a year, so I'm not getting to OTA.
Can anyone help point me in the right direction?!
Thanks

syedkhalil.33 said:
I've got G955U (unlocked At&t) version and there aren't a lot of roms for it. I'm trying to stay on stock version, but I really want to update to 9.0
Online, Ive only found TMobile update to 9.0.
I don't have an AT&T sim with me because I have to be in India for a year, so I'm not getting to OTA.
Can anyone help point me in the right direction?!
Thanks
Click to expand...
Click to collapse
Yes look up carrier switching for 955u and it will come up on xda

Update, after trying several methods, I used the method in the link below and it worked flawlessly!
https://forum.xda-developers.com/att-galaxy-s8+/how-to/sprint-released-oreo-s8-s8-flashing-t3915872

Related

Can you install the Tmo software on an AT&T variant?

Hi All,
Is there any way to essentially put Tmo version of the software on the AT&T LG G5?
I gave my AT&T G5 to a friend, with the unlock code, and they've been fine on Tmo, but I've noticed they are not getting the AT&T updates (Sept 30). In additional I see the Tmo Updates are further ahead than AT&T anyways.
Since they are on Tmo, is there anyway to flash the stock Tmo software on?
Thanks in advance!
I hear its possible but you would run into so many problems such as bootloops and bricks. Its best advised you dont flash t mobile firmware on it. I remember when I had an LG G2 from verizon someone made a stock custom rom the the t mobile variant. That would be your best option, to make a custom rom from the t mobile g5 and flash it to the at&t variant. But since it will be a custom rom, you will get notifications saying you have an ota but they never work

Change rom 955a to 955w

Hi guys,
I got an ATT S8+ from a friend but I am in Canada. It has a bunch of ATT default apps which I want to get rid off. I wanted to know if it's possible to flash the default firmware for our version here 955W.
If yes do you think I would be getting future OTAs from bell or still from ATT.
Thanks
saadi107 said:
Hi guys,
I got an ATT S8+ from a friend but I am in Canada. It has a bunch of ATT default apps which I want to get rid off. I wanted to know if it's possible to flash the default firmware for our version here 955W.
If yes do you think I would be getting future OTAs from bell or still from ATT.
Thanks
Click to expand...
Click to collapse
https://forum.xda-developers.com/att-galaxy-s8+/how-to/unlocked-version-firmware-galaxy-s8-t3607592

Need some advice about flashing a firmware

Hi! I bought my S8+ some days ago from AT&T Mexico, just got it unlocked. I want to stay stock, no don't really want to root my device and I want to receive OTA updates as if I had an unlocked international version.
I've been reading quite a bit on the forum but I'm just more confused about how to achieve that. First of all, I don't really care about CSC here, at&t Mexico doesn't offer anything special or something that I want to keep and updates from them usually take ages to be available. So, I want my device to be as if I just bough an international unlocked version if possible and receive OTA updates normaly so I can have the latest firmware.
Hope I'm being clear with this, I'm a little confused about what to do. Hope someone can point me in the right direction. I already have ODIN and I know how to use it but I don't know what to do now.
Thanks in advance!
Edit: I have the Exynos version. G955F

AT&T S7 Edge to MetroPCS Help

Hi everyone.. I just bought a used S7 Edge Unlocked (AT&T) from Ebay (Clean ESN/A+ shape), and I want to give it to my wife for Christmas, but i need a MetroPCS Rom for it.. I know i can use the T-Mobile roms, but i never liked branding the phone tmobile on MetroPCS. Does anyone have any resources for the MetroPCS roms? I been searching for hours and i havent found a single one (there was an old thread here with a MetroPCS Rom, but the links are dead). If not i believe the G935TUVS4BQJ2 T-Mobile rom is the latest 7.0 one, I guess i can flash that too if need be, but i can't find it either.
Thanks much.
I found the latest nougat Tmobile rom, im gonna go that route, read there are advantages to it..

Verizon S8+ G955U. BL V3 Can I get All the AT&T Bands Somehow?

Ok so i have a G955U Verizon unlocked S8+. I want to use it on AT&T but i was told that verizon had disabled a few of the AT&T bands. I dont care about rooting, but if i could root and get all the AT&T bands and no bloat ware that would be above and beyond. I would mostly be happy with just having the capability to use all the bands. So i saw PartCyborgRom had a custom rom that has just recently been updated to work with the v3 BL. Would this rom give me access to all of my AT&T bands? Sorry im a newb haha 15+ year forum creeper, first time poster. Need some help guys this new stuff is over my head! Cheers and thanks!
EDIT: So i have found bboii86's thread on the AT&T S8+ Stock Oreo G955USQU3CRD4 Odin files: https://forum.xda-developers.com/at...g955u-stock-g955usqu3crd4-odin-files-t3789751 and because im already running the same baseband version somehow but with Verizon bloatware im going to try flashing it. I suppose having the AT&T bloatware rather than verizon would just make me feel better lol. So new question with parts of the old still in place: will running PartCyborgRom give me access to all the bands on the AT&T network and will I be able to use it being on the 8.0 (oreo) Android Version? Much appreciated my friends.
https://forum.xda-developers.com/galaxy-s8+/how-to/qualcomm-phones-add-lte-band-using-qxdm-t3785458
i think this is what youre looking for

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