An error has occured while updating the device software - AT&T Samsung Galaxy S7 Edge Questions & Answers

Hi.
I am currently stuck at a blue screen that says "an error has occured while updating the device software." I rooted which went fine, but when I went to add TWRP I was unable to access recovery. Each time I would try to access recovery it would say something like "system software not authorized by ATT has been found on your phone." So I decided to revert back to stock using Odin and the firmware from Sammobile, that however failed and now I'm stuck on the "an error has occured while updating the device software."
- I can get into download mode
- I can NOT get into recovery and havent been able to since I rooted
- I had just upgraded to 7.0 ota right before I rooted
- I've tried flashing with Kies however it just keeps asking me to enter a model number
- I've tried flashing with Smart Switch but after I enter the model number and serial number the app closes and nothing happens
- Odin fails everytime, have also tried patched Odin which I used to root and fails as well
Edit: Could it be that I need to flash 7.0 firmware instead of 6.0.1? I read something about the bootloader not allowing downgrades?
Please help?

shane1088 said:
Hi.
I am currently stuck at a blue screen that says "an error has occured while updating the device software." I rooted which went fine, but when I went to add TWRP I was unable to access recovery. Each time I would try to access recovery it would say something like "system software not authorized by ATT has been found on your phone." So I decided to revert back to stock using Odin and the firmware from Sammobile, that however failed and now I'm stuck on the "an error has occured while updating the device software."
- I can get into download mode
- I can NOT get into recovery and havent been able to since I rooted
- I had just upgraded to 7.0 ota right before I rooted
- I've tried flashing with Kies however it just keeps asking me to enter a model number
- I've tried flashing with Smart Switch but after I enter the model number and serial number the app closes and nothing happens
- Odin fails everytime, have also tried patched Odin which I used to root and fails as well
Edit: Could it be that I need to flash 7.0 firmware instead of 6.0.1? I read something about the bootloader not allowing downgrades?
Please help?
Click to expand...
Click to collapse
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom

Venom0642 said:
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom
Click to expand...
Click to collapse
I'll try that. And why? My own incompetence I suppose....however I couldn't access stock recovery after I rooted either, before I tried to install TWRP, so I'm not sure how that factors in?

Venom0642 said:
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom
Click to expand...
Click to collapse
Flashing nougat worked! Just wanted to say thank you for your input!

Related

S7 edge qualcomm bricked. Please help!!!!

So I am running s7 edge qualcom 6.0.1 T-mobile
I successfully rooted my device. However, I decided to go back to stock. So I put into developer mode and into recovery.
I opened ODIN - prince comsey because I used this version of ODIN to root the device.
I put in a stock version of t-mobile I found online.
and there was an error.
I tried to turn off the phone but it went into "please use smart switch for recovery"
Now smart switch doesn't work since my device still technically rooted.
I am currently trying different stock roms but am really panicked right now.
Please if anyone can offer any advice.
I am using Odin 3.12 now instead of the prince comsy version to try to flash a stock rom.
I don't know what I am doing wrong.
nguyenja385 said:
So I am running s7 edge qualcom 6.0.1 T-mobile
I successfully rooted my device. However, I decided to go back to stock. So I put into developer mode and into recovery.
I opened ODIN - prince comsey because I used this version of ODIN to root the device.
I put in a stock version of t-mobile I found online.
and there was an error.
I tried to turn off the phone but it went into "please use smart switch for recovery"
Now smart switch doesn't work since my device still technically rooted.
I am currently trying different stock roms but am really panicked right now.
Please if anyone can offer any advice.
I am using Odin 3.12 now instead of the prince comsy version to try to flash a stock rom.
I don't know what I am doing wrong.
Click to expand...
Click to collapse
Have you tried odin a 2nd time ? And how did you root twrp? Or auto ?
BastianE said:
Have you tried odin a 2nd time ? And how did you root twrp? Or auto ?
Click to expand...
Click to collapse
Yeah I've tried 3 different version of Odin no luck. Didn't use TWRP. I flashed root using Odin then cmd prompted fastboot files and superSU.
Strange thing is now on recovery mode my warrany counter is 0x0 but binary is custom.
Did you try the Emergency Device Initialisiation in Smart Switch?
Might want to try and get another stock file.

HELP S7 Edge G935a!!

My Samsung galaxy S7 edge is stuck! i rooted it & tried to flash firmware with one of the apps and now everytime i try to boot it up it gets stuck on the at&t logo and I've got no idea how to fix!!!!! Holding power+volume up+home only loads a screen that says power off device and take it too the nearest at&t store near me. any advice or information that could solve this would be greatly appreciated.
I haven't heard of flashing a firmware with an app in a LONG time, so I'm not too sure what you did there. I can only assume you were on Nougat(?). I would go HERE, and if you can get into Download Mode (Power+Volume Down+Home), Odin back to that stock firmware
Did you use flashfire to flash the zip file? I'm guessing you were trying to flash the hybrid Rom? If so you'll have to odin back to stock.
t12icky0 said:
Did you use flashfire to flash the zip file? I'm guessing you were trying to flash the hybrid Rom? If so you'll have to odin back to stock.
Click to expand...
Click to collapse
Yes I used FlashFire but it was to flash & I have tried to use odin but the firmware for the at&t version i cant find! and the ones i did find for stock did not work
I got an update that was for bug fixes from the check update tab and my phone gets stuck at the ATT logo.

[HELP] AutoRoot in the last firmware.

Hi everyone, I wanted to put a root issue on the Galaxy S7 edge.
I installed via Odin the latest version of ITV PDA G935FXXU1DQIC and CSC G935FITV1DQI1.
Once you've finished flashing once, I put it back in Download Mode and always flash through Odin the latest version of AutoRoot.
However, the phone still hangs before loading with a screen that warns me that the integrity of the system has not been checked out. I had tried to disable all security settings several times, but nothing. Once I install the root the phone gives me an error telling me that to reset the device I should do a factory reset.
How can I fix it is what? With previous firmware it did not work out what.
ExileTM said:
Hi everyone, I wanted to put a root issue on the Galaxy S7 edge.
I installed via Odin the latest version of ITV PDA G935FXXU1DQIC and CSC G935FITV1DQI1.
Once you've finished flashing once, I put it back in Download Mode and always flash through Odin the latest version of AutoRoot.
However, the phone still hangs before loading with a screen that warns me that the integrity of the system has not been checked out. I had tried to disable all security settings several times, but nothing. Once I install the root the phone gives me an error telling me that to reset the device I should do a factory reset.
How can I fix it is what? With previous firmware it did not work out what.
Click to expand...
Click to collapse
If you are using Chainfire's Autoroot it wont work on Nougat.. if you use some third-party AutoRoot i can't help you.
Best way i can recommend to you is to flash latest TWRP and easly get root also you can flash some of great custom roms you can get here!

SM-G935FD Custom Binary Blocked by FRP Lock.

Hi,
I own samsung s7 edge (SM-G935FD) which i rooted and installed a custom ROM Oreo 8.1 last month. Everything was working fine till today morning. I restarted my phone and then it was show my the error message in the boot "Custom Binary Blocked by FRP Lock".
I downloaded the stock rom from sammobile.com according to the model no and country and tried to flash it using odin.
Odin got stuck in system and after several minutes i had to restart the process. Now i'm unable to install twrp recovery but phone has Samsung official recovery installed. I even tried z3x samsung tool to flash it but that also is not able to flash andas soon as i click on flash, it goes through the process and after 2 seconds it gives a success message while actually nothing changes.
I tried all the possible ways including sd card but nothing is working.
Can someone help me out and guide me through the proper way to reinstall stock ROM?
I'll really appreciate swift response.
Thanks,
asif1711 said:
Hi,
I own samsung s7 edge (SM-G935FD) which i rooted and installed a custom ROM Oreo 8.1 last month. Everything was working fine till today morning. I restarted my phone and then it was show my the error message in the boot "Custom Binary Blocked by FRP Lock".
I downloaded the stock rom from sammobile.com according to the model no and country and tried to flash it using odin.
Odin got stuck in system and after several minutes i had to restart the process. Now i'm unable to install twrp recovery but phone has Samsung official recovery installed. I even tried z3x samsung tool to flash it but that also is not able to flash andas soon as i click on flash, it goes through the process and after 2 seconds it gives a success message while actually nothing changes.
I tried all the possible ways including sd card but nothing is working.
Can someone help me out and guide me through the proper way to reinstall stock ROM?
I'll really appreciate swift response.
Thanks,
Click to expand...
Click to collapse
Looks like you disabled oem unlock in developer settings.. follow here it may help https://forum.xda-developers.com/galaxy-s7/how-to/guide-onelatest-stock-fw-csc-root-t3702963/
Sent from my S7 Edge using XDA Labs

S8 G950F - stuck on verification following unroot.

hi
ive got a s8, which was rooted using magisk, but was having issue, so was advised to unroot, remote and try superSU instead.
in the process of flashing stock rom AND 8.0, the phone now boots up to black screen showing verification failed, only option to reset.
when i press reset, all it does is restarts, loads up TWRP which had been installed before,
TWRP runs some program and fails and then phone goes back to black screen showing verification failed.
ive booted it into download mode, in the hope that i can just start again by simply lashing fresh stock rom, but it connects to odin fine, but when i click start, it gives a red error every time.
so i cant access the standard recovery menu as ive got TWRP so that loads instead and it looks as that is corrupted and i cant flash new fresh rom from download as odin brings up issue
ive check another phone and there is no issue with odin or the usb-c cable,
there is an issue with the s8 and odin does not like something in the s8 so wont let me flash anything to it,
any advice would be greatly appreicated.
When you flashed the stock rom using odin did you flash a bootloader aswell as the rom or did you just flash the rom the problem might be that the bootloader was for pie and the rom is oreo or vice versa whenever I flash back to stock I fill all but one of the boxes in odin
i suspect it was all oreo, as i downloaded as a complete file but ill check and get back to you
thanks for advice.

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