iPhone 17 Pro Max IPSW Firmware
It should be noted that only signed versions of the IPSW files below can be restored using iTunes or 3utools. IPSW, iPhone Software, is a file format used to install iOS, iPadOS, tvOS, HomePod, and most recently, macOS firmware for devices equipped with Apple silicon.
Signed Firmware Versions
| Release Date | Version | Download URL |
|---|---|---|
| March 4, 2026 |
26.3.1 (23D8133)
|
Download (10.24 GB) |
