✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | May 3, 2021 |
|---|---|
| Upload Date | April 29, 2021 |
| Filename | iPhone_4.0_64bit_12.5.3_16H41_Restore.ipsw |
| Filesize | 2.8 GiB |
| SHA256sum | da37fadd2b88f8e1c8a762fc983cd290d245034204edd8cd36cff6f14cd720df |
| MD5sum | c4e1e5918c70a7f606262262386d662f |
| SHA1sum | 0c8ced95dd54b93c057b4b2169c513bf865f3b64 |
| 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