| 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-G928A
Software version: 26.0
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G928A
Android version: 5.1.1
Product code: SM4G928AZDAATT
Phone version: G928AUCU1AOGG
PDA version: G928AUCU1AOGG
CSC version: G928AATT1AOGG
CSC country code: USA
CSC sales code: ATT
HW version: REV0.1
Phone S/N: R38G80V1LLF
Modem board: SHANNON333
RF cal date: 20150828
IMEI:
Checking Super user right... true
Initializating zTool... OK
Running zTool, please wait...
Start... OK
Init... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... OK
HWID: 48 A6 DD 4E 54 05 00 00 00 00 00 00 00 00 00 00
Initialization AT RIL...
AT RIL stopped, restarting...
Checking for compatible phone and cert
Phone KEY ID: 0784
Checking certificate file... OK
KEY ID: 0784
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.26.0 |