What is PUK code and what should I do if my phone prompts for the PUK code?
| Back to top Ans: PUK (Phone Unlocking Key) no is normally required when you enter the wrong PIN (Phone Identification Number) Code. If your phone prompts for PUK number it means your SIM has been blocked. Please communicate with your SIM Card service provider to get the PUK code and use the code to unlock.