in the first version of iOS the app switcher quit working, it only works for logging in the passcode, but even after updating to IOS 15.2 it still does not work. I've had to find workarounds like accessibility Assistivetouch.
iPhone XR, iOS 15
Hello johnalancovey,
Thank you for reaching out to Apple Support Communities, and we'll be happy to help in any way we can. We understand you're having issues with switching apps on your iPhone. Check out this link for instructions on how to switch apps: Switch apps on your iPhone, iPad, or iPod touch
If you're using iOS 15.2 beta software, we recommend that you report the issue with the Feedback Assistant within the iOS beta software.
You can also remove the beta software and installing the latest public release of iOS. This article can help with installing the latest iOS software: How to uninstall iOS or iPadOS beta software
We hope this helps.
Cheers!
App Switcher does not work , swipe up only works for passcode
