Download iOS 26.5.1 (23F81) for iPhone Air
You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.
✅ This IPSW firmware is Signed
| Firmware Identifier | iPhone18,4 |
|---|---|
| iOS Version | 26.5.1 |
| Release Date | 2026-06-01 |
| Update Date | 2026-05-28 |
| Sha1sum |
d42f24d7cfb634bc7d636b1701c092ac8c684e79
|
| Sha256sum |
5a5f57c78696d824de81f20f2ba4bf31125b3721ac55ddde5d65790897efef2d
|
| md5sum |
be05ca2cb43131b1d653ee040d639d8e
|
| Size | 10.28 GB |
| FileName |
iPhone18,4_26.5.1_23F81_Restore.ipsw
|
| Status |
|