Can I return to the previous Reminders version on my iphone that will still work with my macOS Mojave?
Can I return to the previous Reminders version on my iphone that will still work with my macOS Mojave?
iPhone SE
No. There is no reverting iOS to a previous version. There was a very prominent warning with iOS 13 that mentioned the incompatibility with that iOS Reminders version and Mojave Reminders. Guess you missed it.