what is a PUK
PUK stands for 'PIN Unlock Key'. It's a unique code that is linked to your specific SIM card and is usually 8 digits long. Some phones may ask for a PUC code instead. This stands for 'PIN Unlock Code' and is exactly the same thing as a PUK Code.ARNING! Do not try and guess your PUK code. If you enter it wrong 10 times, the SIM card will be permanently locked and you will need to get a new one from your network provider.