Ive forgot my pin and have smsd 3 times

When you enter PIN code 3 time wrong, your phone is asking for PUK code. When you enter a PUK code, the phone will ask for new PIN, you should tipe some 4-digit code which you will remember, then verify them. After that your sim card is working again. Caution: Be carefull if you enter a PUK code 9 time wrong you will crashed your sim card and then you must contact your network operator for information about replacement your sim card. PIN and PUK code is coming with your sim card, but if you didnt keep that you also need to contact your network operator about your codes.