What are the main tips for V.ALRT to work properly?

Data service plan is required.
V.ALRT application must be running at all times, please do not stop or cancel the application.
Fall detection accuracy depends on different factors including the nature of the fall and the way the V.ALRT is held/worn.
For best results keep V.ALRT in close proximity to the smartphone.
Keep Location services and Bluetooth activated/ON.
Alert audio will not be heard on smartphone if the ringer is on vibrate or silent.
Contact’s mobile phone number is required for Text/SMS message options to function.
After your Smartphone software or system is updated, you need to re-launch the V.ALRT phone application and perform a test to ensure proper operation.