✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | June 14, 2021 |
|---|---|
| Upload Date | June 9, 2021 |
| Filename | iPhone_4.0_64bit_12.5.4_16H50_Restore.ipsw |
| Filesize | 2.8 GiB |
| SHA256sum | 1f5a845dd868dc349e4fecc236cecb6b46014bdb9fe09620a91b1590c1f08959 |
| MD5sum | e8e60ccab4eae5724afb1392cf4a45b6 |
| SHA1sum | 988b6e35b0774e6c35b68cc4e38ee958efc8da04 |
| Identifier | iPhone6,2 |
This update provides important security updates and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222