FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Other Firmware

Stable

View details

Filename: df31eaa2b310d3dce62e7fe9d5e4b34a78bec1e9.zip
File size: 354.5 MB
File type: Other Firmware
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 6375039e50d0d8d24d60e6bb1fa4f8f68d7585dbcbac205327763ef38f0f92d8
SHA-1: df31eaa2b310d3dce62e7fe9d5e4b34a78bec1e9
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone Air iPhone18,4

Not applicable

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

Source provenance

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

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