About Phone - Huawei Mate Xs 2 User Manual

exceed the maximum number of attempts allowed to unlock the PUK, your SIM card will be
permanently blocked.
The PIN and PUK of your SIM card are provided by your carrier. The number of digits and
maximum number of attempts allowed to unlock your PIN and PUK are subject to your
carrier.
1
Go to Settings > Security > SIM PIN to enter the SIM PIN screen.
2
Enable SIM PIN, enter the PIN, then touch OK.
To change the PIN, touch Change SIM PIN, and follow the onscreen instructions.

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