So there's no clear cut guide for what I want to do and I see this and that about what needs to be flashed first, or CSC, etc....
My question:
Can I flash the ATT version of the Unlocked FW (G950U1) http://updato.com/-archive-select-model?record=6032047A52D711E7963AFA163EE8F90B onto the AT&T S8 G950U the standard way, using the modded Odin and not need fancy work arounds, etc...???
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I recently activated my SM-N910A on my new T-Mobile account. The phone was out of contract, so I asked AT&T to unlock it, and they did. The phone is working properly with my T-Mobile SIM card, albeit on the AT&T firmware.
Is it possible to replace the AT&T firmware with a stock Samsung Firmware, or, at the very least, with the T-Mobile branded firmware (for SM-N910T)? I understand that the bootloader is locked on these AT&T devices. Is it possible to unlock the bootloader and load a different firmware onto the device?
AT&T firmware has SO much bloatware, and I've not had any luck finding a way to root the phone on this firmware, so I'm stuck with all that bloat. What are my options here? Thanks!
EDIT: The phone was updated OTA to Marshmallow (6.0.1) when it was on the AT&T network. Build number is MMB29M.N910AUCS2EPH7
Hello,
As the title says, I'd like to flash the tmobile stock rom or perhaps the tmobile variant of the SM-G935U on my SM-G935FD. Tmobile is my service provider and I'd like to be able to use wifi calling and samsung pay. I know I can flash these roms without issue, but I was wondering if it would be possible to revert back to stock SM-G935FD firmware, since the tmobile ones have locked bootloaders.
Would it be possible to either flash stock SM-G935FD again or do a hard factory reset?
cloud5673 said:
Hello,
As the title says, I'd like to flash the tmobile stock rom or perhaps the tmobile variant of the SM-G935U on my SM-G935FD. Tmobile is my service provider and I'd like to be able to use wifi calling and samsung pay. I know I can flash these roms without issue, but I was wondering if it would be possible to revert back to stock SM-G935FD firmware, since the tmobile ones have locked bootloaders.
Would it be possible to either flash stock SM-G935FD again or do a hard factory reset?
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You cant do it, odin will not allow the wrong firmware to be flashed.
And in the this case your talking about flashing firmware from a snapdragon devcie onto a exynos device.
That alone should have been enough to realize its not happening.
Your far better off with exynos anyway, locked bootloader on the snapdragon version...that is crap
Sent from my Note 7, S7 Edge or S6
You can setup and use Samsung Pay on an international device -- check the Samsung Pay thread . I have the DBT (germany) CSC on my phone; before that I had XSG (Saudi Arabia); and both times I have successfully used Samsung Pay.
Wifi Calling won't work AFAIK.
I have a question. I have the Unlocked AT&T Samsung Galaxy S8 (didn't realise it was AT&T until I received it and turned it on) and when I go to update the software it says it is up to date but it is not. How do I update my software? I am not rooted or anything, the phone is in its normal state.
Is it an unlocked S8 with AT&T firmware or an unlocked AT&T S8? Also, what carrier are you using?
Either way, you can use Odin to flash the newest firmware. Search Updato.com for the firmware for G950U (AT&T variant if you want bloat) or for the G950U1 if you want actual unlocked firmware with no bloat. However, the newest that they have posted if CRF5 and CG3 just came out the other day.
I asked about carrier because:
If you're running on Tmobile for example, use the tmobile firmware. You'll have bloat but you'll get all the features and you'll be good to go on updates.
If you're using Tmobile and want Unlocked firmware download the TMO coded U1 firmware and again, you'll be good with updates.
@jpcdeux I would think it has AT&T firmware because it came with a few AT&T apps on it. However, it is not locked to at&t so I am able to use it in my country (St. Kitts).
Would I have to root?
No, rooting is not required to flash unlocked firmware
Thanks much @jpcdeux
I have two carriers, ATT & Verizon,
I have tried the Verizon chip in my unlocked ATT S10+ (SM-G975U) and only time it ever work some what is when I was at the Verizon Store.
Because of that issue I tried to flash it with "ODIN" with the latest firmware that supposed to be for the Unlocked version, after flashing I still see that ATT LOGO & apps on the phone.
One thing I noticed; while it was restoring it choose "HOME_CSC" instead of CSC that I have choose.
ODIN was on Default settings.
Do you have a guide I can follow to flash the S10+?
Are there pre-rooted custom firmware for the S10+?
Thanks
I have a S8 purchased as factory unlocked from samsung directly, which is U1 version.
Recently, I got notice from ATT about 3g shutdown, and I can see that S8 U1 does not support VolTE, but S8 ATT version does.
I know I can flash U1 to ATT version, but I have some questions
1) what is carrier switch?
I know there are 3 tutorial, flashing from carrier variant to unlocked, flashing from unlocked to carrier variant and carrier switch.
For my case, what is the different philosophy (not asking about steps) between carrier switch and flashing from unlocked to carrier variant?
2) can I keep my data while trying to resolve VoLTE issue? (carrier switch with Home CSC?)
3) Is there any way I can keep the bloatware-free OS while working with VoLTE (like unlocked AP + ATT CP hybrid)?
4) If carrier swithed to ATT with my S8, does it work with other sim card?
5) side question, I got a S20 from ATT, and I flashed it with U1 firmware, is it true unlocked version (I see ATT/ATT/ATT)? How can I make it true unlocked version. I am confused with the change of ATT/ATT/ATT and flashing firmware