How to enter Alcatel 4015D 4016D Recovery Mode and Hard reset.
Recovery Mode
- Turn off the device
- Press and hold Volume UP key + Power Key about 10 seconds
- Release all key when you see Android System Recovery
- Use Volume key to select Menu
- Use Power key to Confirm or Execute Menu
Hard reset Alcatel 4015D 4016D
- In Recovery Mode select wipe data / factory reset
- press Power key to confirm
- select Yes — delete all user data, press power key to confirm
- select Reboot system now to finish hard reset
Warning! If you perform a hard reset, make sure to back up important data.