how to hard reset Alcatel OT-991 Android

Alcatel OT-991 Android hard reset

If your One Touch 991 Andorid mobile phone is dead, can’t power on
• Make sure your battery is not completely used up or damaged.
• Remove your battery, remove your SIM card then power it on again.

Alcatel OT-991 Android hard reset using buttons

Turn off your phone. Hold VOLUME UP + power on/off key at same time until the phone switching ON to reset it.

ALL User phone data: contacts, photos, messages and files, downloaded applications like Java games will be lost permanently.
Alcatel OT 991 hard reset

or

Go to Settings >Privacy > Factory Data reset > Reset phone > Erase everything.