Need some advice about flashing a firmware - Samsung Galaxy S8+ Questions & Answers

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

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just want to know

Hi i am new to the droid community got this fone as a gift from a bufdy of mines, got tonrun it on metro pcs network was really to setup. Anyways i update to ota with out doin no reaseach seems like i am stuck with 4.4.4 my question is there a way to root xt10180 non dev or temp root??? Can someone guide me the rite direction thank u
P.s if this is not the rite place pls move post t.y
Considering there is other sections more appropriate than the "Dev" sections for a question or concern, this would certainly not be the right place to ask.
But to answer your question, no. If your BL(bootloader) is locked, you have OEM/Stock recovery, and are on 4.4.4 you are screwed. It appears the Ultra is no longer being supported by anyone capable of finding a method to root. However, you can PAY for a BL unlock code, but it apparently has not been successful for everyone so I personally havent tried and would not pay the premium and possibly get nothing in return. At 4.4.4, you are unable to downgrade to older versions capable of root. Unless someone releases a method of bypassing the stock restrictions - you may have to wait until the next update. Only problem with that is the day after you update, if you choose to, someone may release a tool or method to bypass those security measures. However, if you dont update immediately you may possibly miss the window of opportunity to use a crack-able version of an OTA and wind up being stuck with too new of a version (I am not 100% sure on this last statement, as its been awhile since I was fully involved in the dev world). Hope this answered your question.
Yeah know I am stuck on this version. N I also won't pay for no bl that's not going to work. If someone do come out with a crack version I am willing to donate. I miss been root man. I hope someone do come out with a way to bypass this restrictions. I know they are a lot of smart ppl out there, that can help us noobs lol.
Sent from my XT1080 using XDA Free mobile app

N915A flash question

Hey guys. I'm totally new here so my question may seem a bit silly. Accept my apology if so. Also searched through posts and threads to find my answer but wasn't successful.
I just bought an unlocked N915A from ebay and I want to flash it with another ROM. Like N915F. Is it possible at all?
I'm in Australia and I don't use AT&T network (I use Optus) so its okay if my phone doesn't work on AT&T networks anymore. The purpose is to create root access. Because apparently it's not possible to root N915A yet.
Appreciate your time guys.
cheers
P.S.
I can return the item with a small postage fee and buy another model. Like N915F. But I have to do it within 15 days! So... yeah, I highly appreciate if anyone can help.
Return it. The 915A has a locked bootloader whereas the 915f bootloader is unlocked showing for custom recoveries and custom ROMS.
JeremySS said:
Return it. The 915A has a locked bootloader whereas the 915f bootloader is unlocked showing for custom recoveries and custom ROMS.
Click to expand...
Click to collapse
I did it! Many thanks for advice. I got a N915F now but faced a weird problem with it. More explanation here:
https://forum.xda-developers.com/note-edge/general/weird-difference-model-written-phone-t3566968
Appreciate if you could take a look at it. :good:

I need good thread that tells me how to bring a G930A up to date with TMobile Nougat

Hi
I just purchased a brand new G930A, at a very good price I might add, and got it running on T Mobile. The firmware is old (6.0.1) and has had no security updates in a while. No updates seem to be available from ATT. I would like to root it and update everything to T Mobile (7.x.x) standard. I am not really looking for a custom rom unless there is a real benefit. Can someone direct me to a good, tried and true, step by step method for getting this done? All the way from unlocking, and rooting to flashing a rom. Just Foolproof is good enough, it doesn't need to be Damn Foolproof. Last phone I rooted (Droid Maxx) was about 5 years ago so I need some re-education. A link to a good thread would really help.
Thanks
John

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

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

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

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