j200g writ cert error imei blank, base band unknown

[reset12345]

j200g writ cert error


imei blank, base band 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.

Operation: Write CERT
Selected model: SM-J200G
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: SM-J200G
Android version: 5.1.1
Product code:
Phone version:
PDA version: J200GDDU1AOI3
CSC version: J200GODD1AOI3
CSC country code: India
CSC sales code: INS
HW version:
Phone SN: RZ8GC0NT2NN
Chip name: EXYNOS3475
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... 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 from phone... error (0)
Try downgrade modem if possible

Done with Samsung Tool PRO v.27.7

[khalidahmed]

nee any good link j200g this firmware
INS-J200GDDU2APL7