Hello
I got a g935f with unknow baseband so i dont have any backup
write efs OK
Write nvdata OK
Write cert Failled
there have any chance to recover it?
LOGS
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.
(Note, that the cert file for this model is unique. You can write cert, wich is readed from this device exactly.)
Operation: Write CERT
Selected model: SM-G935FD
Software version: 31.3
Waiting ADB device... OK
Reading phone info...
Model: SM-G935F
Android version: 7.0
PDA version: G935FXXS1DQLD
CSC version: G935FZZT1DQIL
Phone version:
Product code:
CSC country code: Taiwan
CSC sales code: BRI
Phone SN: RF8J3083KVZ
IMEI:
HW version:
RF cal date:
Chip name: EXYNOS8890
Modem board:
Security patch: 2017-12-01
Boot Warranty bit: 1
Incorrect model selected. This may damage your phone. Continue? Yes
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (1 19)
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (0)
Try downgrade modem if possible
Done with Samsung Tool PRO v.31.3
I got a g935f with unknow baseband so i dont have any backup
write efs OK
Write nvdata OK
Write cert Failled
there have any chance to recover it?
LOGS
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.
(Note, that the cert file for this model is unique. You can write cert, wich is readed from this device exactly.)
Operation: Write CERT
Selected model: SM-G935FD
Software version: 31.3
Waiting ADB device... OK
Reading phone info...
Model: SM-G935F
Android version: 7.0
PDA version: G935FXXS1DQLD
CSC version: G935FZZT1DQIL
Phone version:
Product code:
CSC country code: Taiwan
CSC sales code: BRI
Phone SN: RF8J3083KVZ
IMEI:
HW version:
RF cal date:
Chip name: EXYNOS8890
Modem board:
Security patch: 2017-12-01
Boot Warranty bit: 1
Incorrect model selected. This may damage your phone. Continue? Yes
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (1 19)
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (0)
Try downgrade modem if possible
Done with Samsung Tool PRO v.31.3
