Turning flight mode on my mobile phone on or off
Transferring files between a computer and my mobile phone
Turning the screen lock on my mobile phone on or off
Diverting calls to another number
Setting the ring volume for my mobile phone
If you enter an incorrect PIN three times in a row, you need to key in your PUK.
Key in the correct PUK. Please note: if you haven't received a PUK or don't know it, it can be obtained by contacting customer service on 1688.
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