Basic useAccess codesPIN or PIN2code(4-8 digits)These protect your SIM card againstunauthorized use or are required toaccess some features.You can set your device to ask for thePIN code when you switch it on.If not supplied with your SIM card oryou forget the codes, contact yourservice provider.If you enter the code incorrectly threetimes in a row, you need to unblockthe code with the PUK or PUK2 code.PUK or PUK2code(8 digits)These are required to unblock a PINor PIN2 code.If not supplied with your SIM card,contact your service provider.IMEInumber(15 digits)This is used to identify valid devicesin the network. The number can alsobe used to block, for example, stolendevices.English 17