Power On/Off; Powering On; Powering Off - Zte X500 Manual

Power on/off

Powering on

Press the power key until the power-on animation appears.
Note:
You may need to enter the password, Personal
Identification Number (PIN) or Draw unlock pattern
if you have set a password, PIN or unlock pattern.

Powering off

Long press the end key to display the menu Phone options
and select Power off.