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			The main issue? It doesn't always complete digital "handshakes" with nearby phones that also have the app installed if it isn't running in the foreground (on the screen at all times) or has been installed on an older iPhone model. Additionally, it may not work at all when the screen is locked. Android phones seem OK, but more than 50 per cent of smartphones in Australia are iPhones.
"The quality of the Bluetooth connectivity for phones that have the app installed, running in the foreground is very good," said head of the Digital Transformation Agency Randall Brugeaud, whose agency is in charge of the app.
"It progressively deteriorates and the quality of the connection is not as good as you get to a point where the phone is locked and the app is running in the background.”