Question Get back to stock ATT firmware from U1 unbranded firmware - Samsung Galaxy S22 Ultra

Hello everyone! Today I unbranded my s22 ultra by flashing using patched odin, latest firmware for SM-S908U1, to use it in Italy with Vodafone carrier.
Everything went fine except that for some reason, 5G is not working nor 4G+.
I tried then to get back to stock ATT firmware but failed in every attempt. What I tried is:
- Flashing ATT firmware with Patched odin
-Flashing ATT firmware with patched odin 3.14.4
- Flashing ATT firmware with normal odin
-Flashing ATT firmware with normal odin then perform a factory reset after the setup
I always flashed the full package, CSC, Userdata included.
Every time that the system booted up I ended up with standard unbranded firmware. No, ATT customization and obviously no 5G.
Can anyone tell me how to get back to stock ATT firmware ? I totally ran out of ideas...

Usually going between U and U1 requires a factory reset

butchieboy said:
Usually going between U and U1 requires a factory reset
Click to expand...
Click to collapse
The thing is, the phone was always factory resetted as I flashed CSC and useradata every time. Still I tried to flash ATT firmware with normal official odin, then skip setup and factory resetting. Didn't work.
Maybe I should try doing it with patched odin?

Did you try the AT&T U firmware or the U1 firmware with an AT&T CSC? As far as I know, you'd have to flash any U firmware for your model, such as T-Mobile, then upon inserting the AT&T SIM it will revert to AT&T firmware. Yes, cross flashing requires patched ODIN.
The U1 firmware is unbranded and will not fully activate on AT&T or Verizon UNLESS the SIM card is already activated provisioned for 5G. Do NOT use U1 if getting to AT&T stock firmware is your goal.

Related

Issues when updating G930P

Every time I install an update on this phone it "freezes" at the flashing Samsung logo. Wiping cache and factory reset doesn't fix it. Best I can do is flash from Odin and all is fine; until an update arrives again.
I've tried the unlocked firmware, Sprint's unlocked firmware, and even going back to Sprint's actual firmware for this phone and all have the same result.
What's the cause of this? Help?
Need to know more about what you have flashed to the phone in the past
Which CSC it originally had, and now has
When you flash the original firmware back to it, are you flashing the original CSC too? And you choosing "Repartition" to ensure the CSC changes?
Can only think it is trying to update to the wrong CSC and failing
*Detection* said:
Need to know more about what you have flashed to the phone in the past
Which CSC it originally had, and now has
When you flash the original firmware back to it, are you flashing the original CSC too? And you choosing "Repartition" to ensure the CSC changes?
Can only think it is trying to update to the wrong CSC and failing
Click to expand...
Click to collapse
I never thought of it as a CSC issue. I am flashing CSC in Odin accordingly to the firmware I'm currently flashing. I'll try repartition

Samsung S7 Verizon rom on At&T phone

I recently purchased a samsung s7 unlocked phone as an upgrade for me and the wife. It is an unlocked phone but has a AT&T rom, and i am asking for help installing a verizon rom stock is fine. I have tried the regular odin 3.12 and the princecomey odin i was getting a sha-256 error. please advise I am just trying to get a stock verison sm-g930 rom to work on this at&t phone
You will not be able to flash a stock Verizon ROM into the att s7 because the att phone has locked bootloader.
Flashing stock firmware via Odin on the same SoC should work no? Just custom and downgrading that locked bootloader prevents?
Plenty of people flash G930U over their G930A/T/V's

Need help with firmware!!

today I got S8+ (g955f) a vodaphone variant.
Everything is fine except the vodaphone logo during turning phone on and off keeps bothering me .
Currently I am on pie (no root) .
So what I need to know is I can flash any g955f firmware if boatloader version of that firmware is equal to or greater than mine ?? And will there be any issues if I flash other g955f firmware in order to get rid of vodaphone logo and bloatware ??
Any help will b appreciated
Adbnpk2013 said:
today I got S8+ (g955f) a vodaphone variant.
Everything is fine except the vodaphone logo during turning phone on and off keeps bothering me .
Currently I am on pie (no root) .
So what I need to know is I can flash any g955f firmware if boatloader version of that firmware is equal to or greater than mine ?? And will there be any issues if I flash other g955f firmware in order to get rid of vodaphone logo and bloatware ??
Any help will b appreciated
Click to expand...
Click to collapse
Flash the latest unbranded firmware for your region.
All S8/S8+ firmwares are on BL v4 now, so bootloader version won't be a problem in this case. Make sure to do a full wipe and factory reset after flashing.
MeltdownSpectre said:
Flash the latest unbranded firmware for your region.
All S8/S8+ firmwares are on BL v4 now, so bootloader version won't be a problem in this case. Make sure to do a full wipe and factory reset after flashing.
Click to expand...
Click to collapse
Thank u for advise , just flashed DBT firmware with boatloader v4 (pie) and factory reset csc. everything is fine now :laugh:

Unable to go back to factory firmware on my g970u1

I bought my s10e directly from samsung which is XAA firmware
I used modded Odin to flash ATT firmware to see if it would be any better but then decided to go back to XAA firmware
I downloaded the XAA firmware and I am flashing it but no matter what it still shows me having ATT/ATT/XAA when it should be XAA/XAA/XAA
Any Ideas?
zentg said:
I bought my s10e directly from samsung which is XAA firmware
I used modded Odin to flash ATT firmware to see if it would be any better but then decided to go back to XAA firmware
I downloaded the XAA firmware and I am flashing it but no matter what it still shows me having ATT/ATT/XAA when it should be XAA/XAA/XAA
Any Ideas?
Click to expand...
Click to collapse
Look under the Options tab in your modded Odin. Does it show Auto Reboot and F. Reset Time checkboxes as checked? If so, try flashing again with those UNchecked.

Question Help returning to stock ATT firmware for S22 Ultra

I have an ATT branded S22 Ultra (SM-S908U) where I flashed unlocked firmware using Odin (was trying to sign up for 5.0 beta...but even flashing unlocked firmware does not show me sign up option in Samsung Users).
I am now trying to return to stock ATT firmware, however, Odin fails at file analysis for both AVA6 and AVC8 firmware.
Is there anything I'm doing wrong?
Factory wipe. Make sure you are using patch Odin. If it fails and boots to emergency warning screen do not try to get back to stock recovery. Just flash firmware again without factory wipe. I usually have to flash in Odin twice.
explosive0 said:
I have an ATT branded S22 Ultra (SM-S908U) where I flashed unlocked firmware using Odin (was trying to sign up for 5.0 beta...but even flashing unlocked firmware does not show me sign up option in Samsung Users).
I am now trying to return to stock ATT firmware, however, Odin fails at file analysis for both AVA6 and AVC8 firmware.
Is there anything I'm doing wrong?
Click to expand...
Click to collapse
Use Odin 3.13 patched
explosive0 said:
I have an ATT branded S22 Ultra (SM-S908U) where I flashed unlocked firmware using Odin (was trying to sign up for 5.0 beta...but even flashing unlocked firmware does not show me sign up option in Samsung Users).
I am now trying to return to stock ATT firmware, however, Odin fails at file analysis for both AVA6 and AVC8 firmware.
Is there anything I'm doing wrong?
Click to expand...
Click to collapse
If you were on Beta (thats Rev 2) and you're trying to flash back to firmwares on (Rev 1) .....that's why your failing. You can't go back but to AVDC. And no matter what patched Odin you try.....nothing will get you to those firmwares.
*EDIT* I misread your post. But either way those firmware are not able to be flashed. You can only flash firmware within your REV.

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