Entering 3 times PIN code wrongly will result in SIM lock and the phone will ask to enter PUK code. If you lost the welcome mail or LIME SIM card box, then you have to go for the below method. Method 1 : From welcome mail : The PUK code can be found in the welcome mail or SIM cover at the time of buying LIME sim card Method 2 : Through Helpline: There is no online PUK retrieval methods provided by LIME Mobile network to unlock the SIM card through toll free SMS or through online website. So, the safest way is to contact the customer care of LIME Mobile network and follow the simple Procedure to find your PUK code immediately. Do not assume your PUK code and enter it wrongly. It will permanently block your SIM card and you have replace a new SIM card with additional cost. Procedure to know LIME Mobile network SIM PUK code through HELPLINE : 1. You have to confirm your identity when you call the customer care to retrieve the PUK. So , remember the information that