Apple Release of iOS 16.1.1 and iPadOS 16.1.1, a minor bug fix update that comes two weeks after the release of iOS 16.1, an update that adds support for iCloud Shared Photo Library, Matters, Live Activity, and more .
iOS 16.1.1 fixes some bugs and problems like
Users reported that their iPhone intermittently disconnects from Wi-Fi after upgrading to iOS 16.1, sometimes it randomly disconnects during the day.
Other users say that their iPhones sometimes disconnect from Wi-Fi when they are left idle in standby mode, such as overnight. Some users have tried resetting all network settings on their iPhones. But the reset did not it worked.