Apple released iOS 14.2.1 on Thursday and it’s only available for iPhone 12 models due to some bugs affecting customers.
IOS 14.2.1 release notes
iOS 14.2.1 fixes the following problems for your iPhone:
- Some MMS messages may not be received
- Made for iPhone your hearing aids may experience sound quality problems when listening to audio from iPhone
- The lock screen may not respond on iPhone 12 mini
As always, you can install the update by going to Settings> General> Software Update.