Turning caller identification on my mobile phone on or off
Choosing a ringtone for my mobile phone
Choosing a message tone for my mobile phone
Turning call waiting on my mobile phone on or off
Restarting 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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