Buzz
Apple has officially halted licensing for iOS 10.3.3 and iOS 11. So, if you update your iOS devices to the latest version and feel dissatisfied, you won't be able to downgrade iOS to a lower version.
Apple restricts downgrading from iOS 11 to iOS 10
After updating to iOS 11, many users have complained about this new version. One of the main issues is the device's battery drain, which occurs after updating to iOS 11 on both old and new iPhones.
Up to now, many iPhone 6, 6s, 7, and even iPhone 8 users have reported that this new iOS version reduces the device's battery lifespan.
Only downgrade to iOS 11.0.1
Although Apple hasn't officially acknowledged this issue, both iOS 11.0.1 and 11.0.2 versions aim to improve performance and fix bugs on the iPhone 8 Plus.
Apple restricts downgrading iOS 11 to iOS 10, so if you update your device to version 11.0.2, you can still downgrade to version 11.0.1. However, the difference between the two versions is minimal, with no significant improvements.
Clearly, if the previous version provides a better, more stable experience on iOS devices, you should downgrade to the old version. Downgrading to the previous version may be blocked when the new version is released in the coming weeks.
Currently, iOS 11.1 will be the next major update. Apple is also testing the iOS 11.1 beta version, and this update may be launched by the end of this year.
With Apple restricting downgrading iOS 11 to iOS 10, users currently using iOS 10 are better off not upgrading to iOS 11 yet, or they can wait until Apple fine-tunes new experiences on the latest iOS version. If you're using iOS 11 and experiencing battery drain, you can take some measures to save battery on your iPhone or iPad to ensure your device can last as long as possible.
