14I. Power on1. Press [END] key for a while.2. If PIN is activated, please enter ‘PIN code’3. If ‘Lock’ is activated, please enter password. Initial password is set to ‘0000’If security of SIM card is enabled, the phone requests the PIN code every time the phone is turned on.II. Power offPress and hold [END]I. PIN (Personal Identity Number)It’s a personal code(4 to 8digits) given in order to prevent other people from using your SIM card.It’s usually supplied with the SIM card. The PIN is usually requested each time the phone is switched on.If you enter an incorrect PIN three times in succession, the code is disabled and cannot be used until you re-enableit by entering the PUKII. PIN2It’s composed of 4 to 8 digits and it supplied with some SIM cards is required to access specific function,Basic FunctionI. Power On/OffII. About PIN/PUK