Canada Covid App Battery Drain. I've noticed a definite drain in my battery. The wearable devices complement the island's existing contact.
It does not use or access any location data. Covid alert uses bluetooth to exchange random codes with nearby phones. The wearable devices complement the island's existing contact.
Tommy burke wrote on twitter:
Covid alert works by determining how far away other phones are by the strength of their bluetooth signal. The wearable devices complement the island's existing contact. 6 points · 4 months ago. It has been vetted as safe by canada’s privacy commissioner and provincial counterparts.