Apple releases iOS 14.2.1 which fixes several problems on iPhone 12

For those who own iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, and iPhone 12 Mini, it is best to install the system update as soon as possible. Apple has released the latest iOS 14.2.1, which addresses various iPhone 12 series issues, including fixing inability to receive MMS messages, hearing device sound quality issues, and lock screen lock screen issues. iPhone 12 Mini. If your new phone has the above issues, take a moment to install the update right away.