Apple has released iOS 14.2.1 on Thursday and it’s only available for iPhone 12 models due to certain bugs affecting customers.
iOS 14.2.1 Release Notes
iOS 14.2.1 addresses the following issues for your iPhone:
- Some MMS messages may not be received
- Made for iPhone hearing devices could have sound quality issues when listening to audio from iPhone
- Lock Screen could become unresponsive on iPhone 12 mini
As always you can install the update by going to Settings > General > Software Update.