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Old 03-14-2016, 22:51   #15824 (permalink)
grmcrkrs
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Join Date: Nov 2015
Location: Alabama, United States
Age: 37
Posts: 143
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IMEI Repair SM-G920T

I had to downgrade from the latest 5.1.1 build to OJ7, and then I had to use an older version of the software to get it to work, and took me a week of looking around and asking questions before I was able to fix it, but it's finally done. Thank you to the helpful people in this forum.


BACKUP INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Read EFS' button to read backup or 'Write EFS' to restore.
6. Press 'Read CERT' button to read certificates or 'Write CERT' to restore.
7. Press 'Write NV DATA' if you need to restore NV backup.

Operation: Write CERT
Selected model: SM-G920T
Software version: 23.9

Waiting ADB device... OK
Reading phone info...
Model: SM-G920T
Android version: 5.1.1
Product code:
Phone version: G920TUVU3DOJ7
PDA version: G920TUVU3DOJ7
CSC version: G920TTMB3DOJ7
CSC country code: USA
CSC sales code: TMB
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Checking certificate file... OK
KEY ID: 0346
Initializating zTool... OK
Running zTool, please wait... OK
Reading nv data... OK
Checking NV data... OK
Calculating... OK
Writing nv data... OK
Rebooting phone... OK
Write CERT done

Done with Samsung Tool PRO v.23.9
 
 
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