You can start your phone into Safe Mode if you want to test whether added applications are causing problems in your phone. Safe mode only charge the basic system.
1. Turn off your phone
2. Hold down the power button for one or two seconds to turn it on.
3. When the alcatel logo appears, hold the Volume down button until the lock screen is displayed.
When the lock screen is displayed, it will show Safe Mode in the lower left corner of the screen.To exit safe mode, restart your phone.