iOS 14.2.1 (18B121) for iPhone 12

---

iOS 14.2.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

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

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222