This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31 March 2022 |
| Upload Date | 28 March 2022 |
| File Name | iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.4.1_19E258_Restore.ipsw |
| File Size | 6.75 GB |
| SHA256sum | 72dc51e069c2fd1447f25dfefe70621a13fbdb4518c2e665bf42b2ead64571ee |
| MD5sum | fc75936a0090f2670f1b3819fcdb2b99 |
| SHA1sum | 29766c5188d51a4d7cb1c517e68315500bddce44 |
| Identifier | iPhone11,4 |
cd ~/Downloads.idevicerestore -e iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.4.1_19E258_Restore.ipsw and press Enter.