How to unlock ZTE F328 SKINNY NZ ?
1. Open up MTKReader, Select Unlock by Model, choose ZTE F328 and use USB as ComPort selection.
2. After phone is powered off, press space (the zero on the phone keypad) as you click Read Codes button on MTKReader.. now, without letting the space go, plug in the OTG to your phone.
3. Software should pick up fone and unlock as in result code above.