The way you turn on the light flash when and Rhode any alert in Android devices

The three work together at and Rhode any alert, such as a new call or message.

Some Android devices offer the user the ability to run flash light facilities for the ringing tone and vibrating alert so that the three works together when and Rhode any alert, such as a new call or message.

And any user can activate this option by logging on to the settings "Settings" and then the "Device" and then selects access "Accessibilty", and finally the alarm to activate the option by the light "flash notifications"