✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | March 11, 2026 |
|---|---|
| Upload Date | March 8, 2026 |
| Filename | iPhone_4.0_64bit_15.8.7_19H411_Restore.ipsw |
| Filesize | 4.9 GiB |
| SHA256sum | be6192964157f23dc6a096a375415c08cd420c313703694d8a25b75497667ad3 |
| MD5sum | fd08796e19c08245e797a403d2a959a0 |
| SHA1sum | d6c3599c31fc917ad2215e565017fec3ae015732 |
| Identifier | iPhone8,4 |
This update provides important bug fixes and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: