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-   -   [HELP] How to Repair G920A - Baseband / IMEI = UNKNOWN (https://forum.gsmhosting.com/vbb/f922/help-how-repair-g920a-baseband-imei-unknown-2178568/)

GTrader 01-09-2017 21:52

[HELP] How to Repair G920A - Baseband / IMEI = UNKNOWN
 
Hello,

Can someone please explain to me the method to repair "Unknown Baseband and Unknown IMEI" on G920A? The phone is at 6.0.1 PG1 Firmware. I tried to reflash stock firmware and that did not change anything. IMEI and BASEBAND are stuck at UNKNOWN.

I tried to flash CERT File to this phone...but I get this error....

Using Version...1.0.0.0041
Selected Port ssudmdm0000 = COM15
Selected Model SM-G920A
Selected Task SAM CERT WRITE USB

ALL SAMSUNG CERT WRITE STARTED..

Searching Phone Please wait...

Phone Found Wait...
TEST MODE OK..
Model := G920A
VER := G920AUCS4CPG1/G920AATT4CPG1//G920AUCS4CPG1
Can use only on damaged phone stop here.

!!! FAIL !!!!
Total Time Take...00:01:35
Log Saved

How do I fix this device? Please Help. Thanks!!

GTrader 01-09-2017 22:59

I tried to Reset EFS and Write CERT File. Still error. Tried to reflash firmware again, now phone is stuck in Recovery Mode with DRK error. How do I fix DRK error when G920A is stuck in recovery Mode and wont fully boot? I forgot EFS Wipe Messed up DRK :(

CHANDARAKK 01-09-2017 23:30

Quote:

Originally Posted by GTrader (Post 12270769)
I tried to Reset EFS and Write CERT File. Still error. Tried to reflash firmware again, now phone is stuck in Recovery Mode with DRK error. How do I fix DRK error when G920A is stuck in recovery Mode and wont fully boot? I forgot EFS Wipe Messed up DRK :(

the important u must fix unknowBB first after that Imei now ur phone have Baseband

stanner_austin 01-10-2017 05:39

Hello
If you have baseband unknow by flashing its only possible because of you flashed older then bootloader rev version. for example U5 > U4

Second option is flash combination same rev
use exynos efs reset
use imeicert write
use drk repair
reflash stock and check.

GTrader 01-10-2017 14:34

Thanks for the info. My phone is stuck in recovery though with DRK error. How do I repair DRK if phone is stuck in recovery mode and wont fully boot? Is the only option to find combination file?

poliku 01-10-2017 14:52

Quote:

Originally Posted by GTrader (Post 12272203)
Thanks for the info. My phone is stuck in recovery though with DRK error. How do I repair DRK if phone is stuck in recovery mode and wont fully boot? Is the only option to find combination file?

You must use a combination file to repair DRK, obviously things were made worse by wiping EFS when your original problem would have been solved by flashing the latest firmware version.

GTrader 01-10-2017 17:37

Quote:

Originally Posted by poliku (Post 12272251)
You must use a combination file to repair DRK, obviously things were made worse by wiping EFS when your original problem would have been solved by flashing the latest firmware version.

Yes I know I really messes that one up -__- . I have downloaded combination file and phone boots up fine with Factory Binary. G920A Combination file is @ 5.0.2 Android Version with build number PF1. I am trying to use DRK_Repair service but my phone is not detected. I have UART Port selected and phone is in *#0808# TEST MODE.

Anything I can do to get this DRK fixed? I keep trying on GCPROKEY but keeps saying not found :( I know port is correct at cable is working fine.

Using Version...1.0.0.0041
Selected Port VCP0 = COM81
Selected Model SM-G920A
Selected Task SAMSUNG DRK FIX

Started Samsung DRK Fix...

No reply on samsung mode.. DIAL *#0*# AND TRY AGAIN...

!!! Fail !!!!
Total Time Take...00:00:07
Log Saved

GTrader 01-10-2017 17:53

Quote:

Originally Posted by GTrader (Post 12272625)
I have UART Port selected and phone is in *#0808# TEST MODE.

I meant to say *#0*#

JT man 01-10-2017 18:22

Quote:

Originally Posted by GTrader (Post 12272643)
I meant to say *#0*#

Just keep repeat steps(*#0*# plug in plug out make sure you didn't tripped Knox too) until uart connection work, report back if anything....

najeeb2020 01-11-2017 17:26

follow the help file of GC pro , if you need remote help do not hesitate to PM Me

GTrader 01-11-2017 21:51

Quote:

Originally Posted by najeeb2020 (Post 12274770)
follow the help file of GC pro , if you need remote help do not hesitate to PM Me

I understand how to do this process, I just cannot get my phone to be detected by GCPROKEY. UART port is working, cable is working, phone is in *#0*# mode. But phone will not detect for DRK repair. When I try to do IMEI CERT WRITE, it tells me "Can use only on damaged phone stop here." error.

GTrader 01-27-2017 16:00

** PROBLEM SOLVED ** - I had to flash PI1 Combination File in order to fix DRK Issue. The other combination file firmware was too low which was causing IMEI = Unknown which was causing UART Port not to work. Thanks for the help everyone.

Thread Closed

naiefelyemeni 07-01-2017 20:58

How do i root on combonation pi1 g910a file?
 
hi im in a mess , unknown baseband so im in combo file pi1 g920a 5.0.2 what to do next? i tried drk fix but it cant find phone uart im in *#0*# ?
how do i root to write cert?


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