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FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA
Stable

View details

Filename
4f6d0a66f9126236ca8d5f378cc700fd25a557510d6e0ca8a1d1bccee4f3eb99.aea
File size
1.85 GB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
ab87d7d4e1b40e4764ad8ab5eb51c0b27680ad03a8f09b732b113e9bb7242f5f
SHA-1
1cae8b86dd9a11103c8c53f9a86bb9103816b8ae
Required starting builds
23B82, 23B85
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

Unknown

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