✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | November 19, 2020 |
|---|---|
| Upload Date | November 17, 2020 |
| Filename | iPhone13,4_14.2.1_18B121_Restore.ipsw |
| Filesize | 5.1 GiB |
| SHA256sum | 8cee4ef1fcbeb56de8f748a007ca0d420a9a27ebbdc67e5be2a2d11b099d434b |
| MD5sum | 83e1d67d46a27642cdd71558832bf5e1 |
| SHA1sum | 23de8dbffa0b0ce3caad60e6732bbf11f85ea482 |
| Identifier | iPhone13,4 |
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