Did it ever happen to You that You were expecting an important phone call, and after several hours just noticed that Your phone is out of service? Well, not anymore. This small and simple app will notify You as soon as Your device looses signal or unregisters from cellular network. Features: - Notification on signal loss - sound and vibration - Channel selection for notification sound - use Alarm Channel to hear the notification even in silent mode - Notification's buttons are hidden if the