Removing the battery and the SIM card
Installing and removing a microSD card
2.2 Power-on/off
To power on or off your phone, press and hold
for about 3
seconds.
2.3 Phone lock
The phone lock protects your phone from unauthorized use. The
preset phone unlock code is 1234. By default, the phone lock is
disabled.
You can change the default phone code (1234) into any numeric
string of four to eight digits.
4