PIN code
Your Personal Identification Number (PIN) code protects the SIM card against
unauthorized use. Your PIN code is usually supplied with the SIM card. If this
security function is enabled, you need to enter the PIN code every time you
turn on the phone. You can also disable this function.
To unlock the SIM card, press and hold the power button to turn on the phone.
Enter the PIN code. After three consecutive incorrect PIN code entries, the
code is blocked, and you need the PUK code to unblock it.
PUK code
This code is required to change a locked PIN code. If the code is not supplied
with the SIM card, contact your service provider. After ten consecutive
incorrect PUK code entries, the SIM card cannot be used any more. Please
contact your service provider to buy a new SIM card. You cannot edit PUK code.
If it is lost, Please contact your service provider.
3.2.4. Connecting to the network
After the SIM card is unlocked, you phone will automatically search for the