✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | October 11, 2021 |
|---|---|
| Upload Date | October 7, 2021 |
| Filename | iPhone_4.0_64bit_15.0.2_19A404_Restore.ipsw |
| Filesize | 5.0 GiB |
| SHA256sum | de36a04e891114298973b121befbd8cd38d551bfee144ee5e71b37fdce910e85 |
| MD5sum | 7cd24039f0f18f316a26565dccefa439 |
| SHA1sum | f210860f9f1d8206c903104ba37fe4be2a8585c2 |
| Identifier | iPhone8,4 |
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