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how to unlock the card:
1.
Enter the correct PUK code in line with the prompt on the screen to
unlock the SIM card.
2.
Then enter a new PIN code and press the OK soft key.
3.
When you are prompted to reenter the new PIN code, reenter
the new PIN code and press the OK soft key.
4.
If the PUK code is correct, the SIM card will be unlocked, and the
PIN code is reset.
Warning: If you have entered the PIN code incorrectly for three times,
the SIM card will be locked automatically, in that case you need to use
the PUK code to unlock the card. The PUK code is generally kept by
the network operator.
PUK code
The PUK code (the PIN unlocking password, 8 digits) is used to unlock
the locked PIN code. The PUK code is provided by the manufacturer
together with the SIM card. If you have entered the PUK code
incorrectly for ten times, the SIM card will be invalidated. You
need to ask your network operator for a new card.
PIN2 code
The PIN2 code (4~8 digits) is provided together with the SIM card,
which is used to set the fixed dial and other functions. Please contact
your network operator to check if your SIM card supports such
functions. If you have entered the PIN2 code incorrectly for three times,
the PIN2 code will be locked. The PIN2 code will be unlocked only by
entering the correct PUK2 code. The operations are as follows:
1.
Enter the correct PUK2 code in line with the prompt on the screen