A personal unblocking key (PUK), also known as a personal unblocking code (PUC), is an eight-digit unique code linked to your SIM card. Generally, you need a PUK code to unlock the SIM when it ...
Every time a new SIM card, either prepaid or postpaid, is issued, the PIN and PUK codes are printed on its packaging. For an E-SIM, these codes are also provided, usually sent via email or mailed ...