Apple has released iOS 15.4.1 came out to fix the problem of battery draining quickly in iOS 15.4 last week And now the downgrade has been turned off.
iOS 15.4 is packed with great features. like unlocking Face ID while wearing a mask without having to rely on Apple Watch, but can only be used on iPhone 12 and above And there’s also a new set of emojis. And performance improvements as well, but the battery drains faster than usual, so Apple released iOS 15.4.1 to fix the battery problem.
Those who have upgraded to iOS 15.4.1 will no longer be able to downgrade back to iOS 15.4.
source 9to5Mac
