HOW TO SOLVE THIS PROBLEM IMEI IS OK BUT SN: IS BLANK I HAVE FLASH 4FILES AND SINGLE FILES BUT PROBLEM REMAIN .ALSO TRIED WRITE EFS SN IS BACK BUT NOW IMEI IS GONE AND BASEBAND UNKNOWN.
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.
Read certificate via diagnostic port:
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read CERT DIAG' button to read certificates.
Operation: Info
Selected model: SM-G925I
Software version: 34.8
Searching Samsung modem... detected COM217
Reading phone info...
Model: SM-G925I
AP version: G925IDVS3EQC3
CSC version: G925IUUB3EQB1
CP version: G925IDVU3DOJ6
Product code: XXXXXXXXXXXXXX
Phone SN: 00000000000
IMEI: 359670066352458
Unique number: 0915F9F077E70A05
Reading IMEI... OK
IMEI: 359670066352458 (SIGN: OK)
Done with Samsung Tool PRO v.34.8
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.
Read certificate via diagnostic port:
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read CERT DIAG' button to read certificates.
Operation: Info
Selected model: SM-G925I
Software version: 34.8
Searching Samsung modem... detected COM217
Reading phone info...
Model: SM-G925I
AP version: G925IDVS3EQC3
CSC version: G925IUUB3EQB1
CP version: G925IDVU3DOJ6
Product code: XXXXXXXXXXXXXX
Phone SN: 00000000000
IMEI: 359670066352458
Unique number: 0915F9F077E70A05
Reading IMEI... OK
IMEI: 359670066352458 (SIGN: OK)
Done with Samsung Tool PRO v.34.8
