Apple on Monday released iOS 8.1, the first major update for iOS 8 that brought some new features to users (such as Apple Pay for iPhone 6 and iPhone 6 Plus) and also fixed several other issues. However, Apple has apparently failed to fix an important iOS 8 issue it has never acknowledged since launching its newest OS version on September 17th — and it's particularly important because it may have prevented many users from upgrading from iOS 7.
iOS 8.1 doesn’t seem to fix the huge issue that prevented you from updating to iOS 8