GSM antennaThe antenna area is highlighted.Avoid touching the antenna area while the antenna is in use. Contact with antennasaffects the communication quality and may reduce battery life due to higher power levelduring operation.Basic useAccess codesPIN or PIN2 code(4-8 digits)These protect your SIM card against unauthorized use or arerequired to access some features.You can set your device to ask for the PIN code when you switchit on.If not supplied with your SIM card or you forget the codes,contact your service provider.If you enter the code incorrectly three times in a row, you needto unblock the code with the PUK or PUK2 code.PUK or PUK2 code(8 digits)These are required to unblock a PIN or PIN2 code.If not supplied with your SIM card, contact your service provider.IMEI number(15 digits)This is used to identify valid devices in the network. The numbercan also be used to block, for example, stolen devices.To view your IMEI number, dial *#06#.10 Basic use