Turning silent mode on my mobile phone on or off
Turning use of phone lock code on my mobile phone on or off
Copying contacts between my SIM and my mobile phone
Saving my voicemail number
Writing and sending SMS
It's important first to find out if you can make a voice call. If you can't make a voice call, you need to solve this problem. By solving this problem you'll most likely solve your problem with sending and receiving SMS.
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