When you register as a subscriber with a network operator, you get a SIM (Subscriber Identity Module) card. The SIM card keeps track of your phone number, the services included in your subscription, and your phonebook information, among other things.
If you have been using a SIM card in another phone, make sure that your information is saved to the SIM card before you remove it from the other phone.
PIN (Personal Identification Number)You may need a PIN (Personal Identification Number) from your network operator to activate the services in your phone.
Each PIN digit appears as *, unless it starts with emergency number digits, for example 112. This is so that you can see and call an emergency number without entering a PIN
%16 Emergency calls. Press to correct mistakes.
If you enter the wrong PIN three times in a row, the SIM card is blocked and the message PIN blocked appears. To unblock it, you need to enter your PUK (Personal Unblocking Key) % 38 Locks.
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