I have the N Ireland HSC COVID app on my one. Thankfully I haven’t been notified of getting close to infected person! Only recently downloaded it to my iPhone. all seems to be working, app says it is compatible with this phone. Best to download and see what happens. You can always uninstall I guess?? Yes it’s really easy just download the nhs app and ready to go Yes pretty certain you can. Just google Test & Trace App & it says install Yes but it’s a waste of time snd the billions of pounds given to dido Yes, I use it Yes, it’s just like any other app Yes you can Yes####[['app', 'System#Software Compatibility', 'positive']]