Download iOS 14.2.1 (18B121) for iPhone 12 Pro Max / IPSW Downloads

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

Release Date	19th November 2020
Upload Date	17th November 2020
Filename	iPhone13,4_14.2.1_18B121_Restore.ipsw
Filesize	5.51 GB
SHA256sum	`8cee4ef1fcbeb56de8f748a007ca0d420a9a27ebbdc67e5be2a2d11b099d434b`
MD5sum	`83e1d67d46a27642cdd71558832bf5e1`
SHA1sum	`23de8dbffa0b0ce3caad60e6732bbf11f85ea482`
Identifier	iPhone13,4

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: