Switch to or from the silent profile
In Idle mode, select Keypad, and touch and hold 
to silence or unsilence your phone.
Calibrate the screen
You can calibrate the screen so that your phone recognises the input better.
1.In Menu mode, select Settings → Phone settings → Calibration.
2.Touch the target on the screen.
3.Select Yes.
Change your ringtone
1.In Menu mode, select Settings → Phone profiles.
2.Select 
next to the profile you are using.
If you are using the silent or offline profile, you are not allowed to change the ringtone.
3.Select Voice call ringtone.
4.Select a ringtone.
5.Select Save twice.
To switch to another profile, select it from the list.
Select a wallpaper (Idle mode)
1.In Menu mode, select Settings → Display and light → Wallpaper.
2.Scroll left or right to an image.
3.Select Set.
using basic functions
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