User's Manual

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from being used illegally. PIN is usually provided with SIM card
together. If you input wrong PIN for continuous three times, please
input PUK to unlock it. Please contact with network operator for more
details.
PIN 2
You need to input PIN2 when entering some functions (such as call
charge); if you input wrong PIN2 for continuous three times, you need
to input PUK2 to unlock it. Please contact with network operator for
more details.
PUK