Zte Zxv10 B866v2 Unlock
Now you have root shell. Run these commands:
python zte_unlock.py 192.168.1.1 Once enabled, open Command Prompt: Zte Zxv10 B866v2 Unlock
You need the exact firmware file for your hardware version (B866v2). Do not use v1 firmware on v2. Now you have root shell