Updates
Why does my iphone not update automatically even if it is plugged in through the night.
iPhone 12, iOS 16
Question marked as
Top-ranking reply
Make sure it is set to update automatically and any requirements are met. From: Update your iPhone or iPad - Apple Support
Customize Automatic [iOS] Updates
Turn on automatic updates
1. Go to Settings > General > Software Update.
2. Tap Automatic Updates, then turn on Download iOS Updates.
3. Turn on Install iOS Updates. Your device will automatically update to the latest version of iOS or iPadOS. Some updates might need to be installed manually.