This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 14 March 2022 |
| Upload Date | 01 March 2022 |
| File Name | iPhone13,4_15.4_19E241_Restore.ipsw |
| File Size | 6.07 GB |
| SHA256sum | cd6190602b138875c583fb2ea4f97bf6b2500d7b96dc8ef05b6542816e132417 |
| MD5sum | 5fce8f502b0d2d9c8554df611834c6ac |
| SHA1sum | 11b8fbdc61bf3ff96e998dcfb4f581c74841a3b1 |
| Identifier | iPhone13,4 |
cd ~/Downloads.idevicerestore -e iPhone13,4_15.4_19E241_Restore.ipsw and press Enter.