How can I change from ringtone to vibration?

Method 1:

To activate vibration mode, press the Down/Up Volume key.

-> Touch the ring icon in the pop-up window.

-> When the icon changes to , calls and notifications will vibrate.

Method 2:

Go to “Settings” menu -> “Sound” -> “Ringtone & vibrate” (only for Dual SIM version). Activate “Also vibrate for calls”.