what is puk code
If you are wondering what is a PIN code and PUK code and the difference between them, then let me explain. A PIN code is Personal Identification Number that is necessary for protection of your SIM card from non-sanctioned access.Whenever you switch on your phone, you need to enter a PIN code.f you are wondering what is a PIN code and PUK code and the difference between them, then let me explain. A PIN code is Personal Identification Number that is necessary for protection of your SIM card from non-sanctioned access.