In order to hard reset a Alcatel OT-916, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Alcatel OT-916 device will be brought back to the default configuration of a brand new device.
1. Turn your phone off.
2. Press and hold Volume button + Power button.
3. Now release Power button. Keep pressing Volume up key.
4. Your device will now reset.
5. Voila, you're done.