This is only possible when connected to the internet. The random codes change often and can’t be used to identify you.Īn exposure is recorded if you’re within 2 metres of someone with COVID-19 for 15 minutes or longer.Įach day, your phone gets a list of the random codes of app users who have reported a diagnosis.
The app estimates how close app users are to one another by the strength of their Bluetooth signals. When you're near someone else with the app, both phones exchange random codes every 5 minutes. Watch the video on how COVID Alert works. Keep background updates switched on and check them regularly.The app will notify you if a phone was near you in the last 14 days from a user who tested positive and entered a one-time key.If you test positive for COVID-19, you need to enter a one-time key in the app to notify others.Each day, the app checks a list of random codes from users who have informed the app, through a one-time key, they've tested positive for COVID-19.The app uses Bluetooth to exchange random codes between your phone and nearby phones.
