If you enter the wrong PIN more than three times the GSM SIM card will be blocked or the device might get locked or worse, both. You will be required to enter a 4-to-8-digit PIN to activate your phone's non-emergency calling functions. The PIN security function is activated as soon as you switch on your phone. Along with PUK, the PIN is also provided by the mobile service provider but you can change it later on. To avoid getting in a situation like that you should write or type it somewhere for future reference, once you get it. It might be difficult to retrieve it depending on who your network provider is as some service providers limit the length of time the PUK will be active. PUK/ PUK code shouldn’t be hard to find, as usual, the code is kept by the network provider. PUK is for your SIM card’s protection and each SIM card has a unique PUK which is mostly 8 digits long. Nowadays almost all phones have a feature of PIN protection. In this blog, we’ll discuss the PUK meaning, how a PUK code works and how to unlock your PUK code, depending on your network provider.
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