Choosing a ringtone for my mobile phone
Checking the software version for my mobile phone
Choosing a network for my mobile phone
Choosing network mode for my mobile phone
Making a call with my mobile phone
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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