samsung sm-n9100 note 4 original write cert problem

[sifi.90]

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 or
press 'Write CERT' to restore certificates.

To backup/restore QCN, phone diagnostic port must be enabled.
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Type *#9090# and select 'DM/DUN over HSIC'.
Or use 'Activate Diag' function from 'Repair' tab.
4. Connect phone to PC with USB cable, install drivers if needed.
5. Select diagnostic port in port settings.
6. Press 'Read QCN' button to read NV backup or 'Write QCN' to restore.

Operation: Write CERT
Selected model: SM-N9100
Selected port: COM246 SAMSUNG Mobile USB Serial Port
Software version: 25.5

Checking certificate file... OK
KEY ID: 0065
Waiting ADB device... OK
Reading phone info...
Model: SM-N9100
Android version: 5.1.1
Product code: SM-N9100ZWUCHC
Phone version: N9100ZCU1CPB1
PDA version: N9100ZCS1CPD2
CSC version: N9100CHC1ANIG
CSC country code: China
CSC sales code: CHC
HW version: MP 1.100
Phone S/N:
Modem board: MDM9225
RF cal date: 2014.10.29
IMEI:
Initialization AT RIL... OK
Bypass MSL... error (2)
First reset MSL

Done with Samsung Tool PRO v.25.5

[qtouch]

downgraded modem to NK4/ reset msl/ Restore to original mode.

[ghacks]

Are you sure u choose a correct model for make direct unlock for this phone.