samsung sm n920c cert write done 6.0.1 january 2017 security patch

[bright hlatini]

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-N920C
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: SM-N920C
Android version: 6.0.1
Product code: SM-N920CZKASER
Phone version: N920CXXU3IPIC
PDA version: N920CXXS3BQA9
CSC version: N920COXE3BPJ2
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.900
Phone SN: RF8H70ARKPY
Chip name: EXYNOS7420
Modem board: SHANNON333
RF cal date: 20160706
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... Ok
Modem board: SHANNON333
HWID: 18 BE 7F EE 57 04 00 00 00 00 00 00 00 00 00 00
Calculating... Ok
Initialization AT RIL...
AT RIL stopped, restarting... Ok
Checking for compatible phone and cert
Phone KEY ID: 0448
Checking certificate file... Ok
KEY ID: 0448
Crypting CERT 1... Ok
Crypting CERT 2... Ok
Writing NV data... Ok
Rebooting phone... Ok
Write CERT done

Done with Samsung Tool PRO v.27.7