Opening and closing: from the inside

See also:

Swapping the telephone and additionaltelephone
The function of the telephone and additional telephone can be swapped automatically. 1. "Telephone" 2. "Bluetooth® (phone)" 3. "Swap phone/addit. phone" ...

Switching on/off
Press the button. ...

Switching the split screen on and off
1. Press the button. 2. "Split screen" ...