G890A unlock failed

[shingirai1990]

UNLOCK INSTRUCTIONS:
New Securiry Type:
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 'Unlock' button and select 'New Unlock' for direct unlock.
6. Press 'Read codes' button and select 'Read codes New' to read security codes.

Old Securiry Type:
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 'Unlock' button and select 'Unlock' for direct unlock.
5. Press 'Read codes' button and select 'Read codes' to read security codes.

To read security codes 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 Codes DIAG' button to read security codes.

Operation: Read Codes DIAG
Selected model: SM-G890A
Software version: 31.0

Checking hash file... OK
Searching Samsung modem... detected COM100
Reading phone info... OK
Model: SM-G890A
AP version: G890AUCU5CPK3
CSC version: G890AATT5CPK3
CP version: G890AUCS7DRA2
Product code: SM2G890AZAAATT
Phone SN: R38G80XJDKK
Unique number: 06157DF68B49C00D
Searching Samsung diag port... detected COM270
Reading phone info... OK
CP version: G890AUCS7DRA2
CP build: Jan 8 2018 14:08:58
Reading data from phone... error (1)

Done with Samsung Tool PRO v.31.0


Any solutions