User's Manual
9
2.3.3 Unlock SIM Card
In order to prevent illegal use, SIM card using PIN1 (Personal Identification Number)
code encrypt protection. Use the function, every time you must enter PIN1 code when the
phone is switched on, so that you can unlock the SIM card, and then send or receive the
call.
Press the ON / OFF key to boot the phone; enter PIN1 code, press to clear
the error input, press
to confirm.