Sometimes, the calls are hanged up by accident while the conversation is going on. In this situation, the callers may continue to talk without knowing that the call has been hanged up and is being disconnected. To avoid such confusion and to help the caller to understand that her/his call has been hanged up and she/he is at verge to end the call, a special feature is available in the Android 6.0.x Marshmallow smartphones and devices. If activated, your Android smartphone will vibrate to indicate that your call has been hanged up.
You may activate this feature but if you feel any problem, see the instructions for the guidance.
1: Tap the icon of the ‘Dialer’ app at the bottom left corner of Home screen of your Android 6.0.x Marshmallow smartphone or device to open up the ‘Dialer’ app screen.2: At the ‘Dialer’ app screen, tap the 3-digit setting button, placed at the top right corner of the screen but immediately below the status bar. It will open up a popup menu.3: Tap the ‘Settings’ in the popup menu.4: At the ‘Settings’ screen, tap the ‘Sounds and vibration’.5: See; ‘Vibrate on hang up’ is not checked, i.e. not enabled.6: If you want to vibrate your phone when your Android device is hanged up, tap ‘Vibrate on hang up’ to activate this feature.Now, whenever your phone is hanged up, your phone will vibrate.