FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Restore IPSW

Stable

View details

Filename: iPhone17,3_26.3.1_23D8133_Restore.ipsw
File size: 10.83 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: d2c68e0f27aae8db2e05353037e73966d2e815c3e3b74bed7152dfe3bbf5e154
SHA-1: 9d90602ea4342ac37730a3db9b96e39add68eca9
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 16 iPhone17,3IPSW.me public API retrieval · Oct 22, 2026, 7:05 PM 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%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 129a17e9b725ad1f15bdeee7b27e9e92

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

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