Quote:
Originally Posted by serwistk  Hello. I have Samsung G920F with broken IMEI. I want to restore IMEI from original documents. While doing Repair operation in Samsung Tool PRO I have error: Checking NV data... error Security damaged (1). I tried to Write NV Data from backups and from NV files from internet. Writing was done successfully, but still during Repair operation it is the same error. Phone is rooted. Please help me. Code: 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 'Write CERT' to restore certificates.
7. Press 'Write NV DATA' if you need to restore NV backup.
Read certificate operation:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read CERT' button to read certificates.
Operation: Repair
Selected model: SM-G920F
Software version: 29.0
If you are looking for 'Repair Network' function then you should use 'Patch Certificate'
Waiting ADB device... OK
Reading phone info...
Model: SM-G920F
Android version: 7.0
Product code:
Phone version: G920FXXU5EQCD
PDA version: G920FXXS5EQG1
CSC version: G920FXEU5EQF2
CSC country code: UK & IRE
CSC sales code: XEU
HW version:
Phone SN: 00000000000
Chip name: EXYNOS7420
Modem board: SHANNON333
Security patch: 2017-07-01
RF cal date:
IMEI:
Checking Super user right... true
Reading NV data... OK
Checking NV data... error
Security damaged (1)
Done with Samsung Tool PRO v.29.0 |
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