This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 05 March 2024 |
| Upload Date | 28 February 2024 |
| File Name | iPhone16,1_17.4_21E219_Restore.ipsw |
| File Size | 7.66 GB |
| SHA256sum | b7520d2e01ff28c1bc7ef8f203e31c7e3e474f5d78ef9f15439a31f15298e10b |
| MD5sum | 2337a43787832c2dead16d421956127e |
| SHA1sum | 57e70c1bd88b933af2c964ff321a7a2def0cc942 |
| Identifier | iPhone16,1 |
cd ~/Downloads.idevicerestore -e iPhone16,1_17.4_21E219_Restore.ipsw and press Enter.