20-11-2021, 08:20 PM
(20-11-2021, 07:11 PM)crab2 Wrote: use your home wifi to download the Covid app and then you only need to use Bluetooth for scanning codes, no need to turn on data or wifi to scan themThe codes are NOT scanned using Bluetooth..
Bluetooth records your proximity to other phones which have the app enabled and Bluetooth turned on. 
This is kind of an added extra and you don't have to do it.