From my understanding Google and Apple installed an update to your phones OS. Phones that are 5 years and older aren't working. ;)
The Canadian App is buggy.
DO NOT INSTALL
iOS: https://apps.apple.com/ca/app/Canada-COVID-19/id1505010304
Android: https://play.google.com/store/apps/details?id=ca.gc.hcsc.canada.stopcovid
Canada's new COVID app won't work on older iPhones, Android devices
https://www.cp24.com/news/canada-s-new-covid-app-won-t-work-on-older-iphones-android-devices-1.5049400