Turning caller identification on my mobile phone on or off
Setting up my mobile phone for internet
Making a call with hidden caller identification
Turning call waiting on my mobile phone on or off
Writing and sending SMS
Your mobile phone may not react due to overload or errors in the operating system. If this happens, it might help to restart your mobile phone.
Restart your mobile phone
Remove the battery for about 10-15 seconds.
Turn on your mobile phone.
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