The following is a tutorial on how to hard reset the above Alcatel OT model.
1. Turn it Off (yes Off and not On)
2. Now press and hold both the Volume Up key and the Power button at the same time until you see the Android system recovery menu.
3. Use the Volume key to scroll highlight "Wipe data/ factory reset"
4. Then select the highlighted option by short pressing the Power button
5. Use the Volume down key to highlight "Yes - delete all user data"
6. Repeat step 4.
7. When the wiping is complete, then with "Reboot now" highlighted, repeat step 4. You should be done at this stage