What is a cell phone pin code personal identification number pin is a secret number that is used to unlock the phone unlock in the sence of accessing the device you are using it is made up . Pin code personal identification number definition in gsm mobile phones the pin is normally associated with the sim card not the phone and must be entered each time the phone is . A pin or personal identification number is a four digit number that must be entered into the keypad to unlock the phone for use when the security feature on the phone is activated the pin is built into the phone by the manufacturer setting up a cell phone to be unlocked with a pin ensures that if the phone gets lost or stolen it is no . Puk blocked is a message that you get on feeding the wrong pin code multiple times in your cell phone the following article will help you find solutions when the message puk blocked appears follow us share the latest technology trends or photos of gadgets you love. The sim network unlock pin is actually the unlock code to unlock your network this is often referred to as the network unlock code network control key nck master unlock codeor sim network pin your phone will typically prompt for one of the following messages sim network pin blocked enter the network puk enter lock pin sim puk code etc
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