Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
| ✓ | iOS 26.0.1 (23A355) | 29th September 2025 | 10.7 GB | iPhone18,4_26.0.1_23A355_Restore.ipsw |
| ✗ | iOS 26.0 (23A341) | 15th September 2025 | 10.6 GB | iPhone18,4_26.0_23A341_Restore.ipsw |