ZTE Blade Q Maxi hard reset
You can reset your ZTE device's password after power on: input *983*987# in emergency dial-up pad. Select Erase everything. It will restore factory settings and your personal data will be erased.
Turn off your ZTE Blade Q Maxi. Press Volume UP + POWER ON.All data will be deleted!
ZTE Blade Q Maxi hard reset from menu
Or if your phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset, click Reset phone and then Erase everything to format your phone.To reset the ZTE Blade Q Maxi device from time to time for optimum performance, power off the device and remove the battery. Reinsert it and turn on your Andorid phone.