FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Restore IPSW

Stable

View details

Filename: iPhone17,2_26.3.1_23D8133_Restore.ipsw
File size: 10.94 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 4169f2fd2b86139d7f3a7ce415ad7d85ae57803f0b7de3d3403cb90a1a516797
SHA-1: d742c9a0077fbc130ccf51d05dd395d08b5eb47a
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 16 Pro Max iPhone17,2IPSW.me public API retrieval · Oct 21, 2026, 9:34 AM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone17%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: f6e8431f2899c95aa57e0d378acba3c6

AppleDBhttps://api.appledb.dev/ios/iOS%3B23D8133.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: d48da896f63809bf3a31e9d1728e206a