This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 28 October 2019 |
| Upload Date | 17 October 2019 |
| File Name | iPhone_5.5_12.4.3_16G130_Restore.ipsw |
| File Size | 2.96 GB |
| SHA256sum | 3311ca0f046ddfeab8652cbc43bddca6c6aa35fc64ceb5f0712d30501a7a2932 |
| MD5sum | 90f923983c2c03e6a8e7bbcf2db6394e |
| SHA1sum | b783040f11c35e71fdc4d7973bdd8a29fd044fcb |
| Identifier | iPhone7,1 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.4.3_16G130_Restore.ipsw and press Enter.