After releasing iOS 14.4, Apple has now stopped signing iOS 14.3. Users with iOS 14.4 won’t be able to downgrade their device’s software, making users up-to-date with the new features.
With iOS 14.4 software release, Apple introduced several new features including the option to classify Bluetooth device type in Settings, support for smaller QR codes, improved Fitness widget, and more.
iOS 14.4 is available for download on all eligible devices from the Settings app. Tap on General > Software Update and you will be ready for download.