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FIRMWARE DETAILS

iOS 26.3.1 (a)

Build: 23D771330aMar 17, 2026Delta OTA
Stable

View details

Filename
0ee8904470bc7d36aa29eebfd1b3770a89db6bebb4bcc8ac8f219d7479cea76a.aea
File size
27.3 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
3195366204fea1057563b00b97ad32f26e6ece2e39b6c997b85fb922c5ed9e2b
SHA-1
fc031e8a7c54818dab049168dc190513f62c6da5
Required starting builds
23D8133
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%3B23D771330a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 8ecf2050050d2259356591e5a8aeef8f