Checking data usage on my mobile phone
Returning my mobile phone to standby mode
List of display icons
Turning the key lock on my mobile phone on or off
Writing text on 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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