This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 14 December 2020 |
| Upload Date | 11 December 2020 |
| File Name | iPhone_5.5_12.5_16H20_Restore.ipsw |
| File Size | 2.97 GB |
| SHA256sum | d58b3c67d0f3819a1daa1ffb89f99916370c794bfab05bf313e025a994e0a7a4 |
| MD5sum | 78cfa54b7525b27895def56c73f0985f |
| SHA1sum | af8fbe97b74126187f0151603e1e3810c6335a1a |
| Identifier | iPhone7,1 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.5_16H20_Restore.ipsw and press Enter.