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FIRMWARE DETAILS

iOS 26.3.1 (a)

Build: 23D771330aMar 17, 2026Delta OTA
Stable

View details

Filename
28b98a72c32b855ec58ca2560a926deb44918f646f304488d2f96fb6c03cf8d8.aea
File size
27.8 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
c76fbf5700f91651ac3f5d398b70899d3f3e10f6558d0165924f074af0aea035
SHA-1
da1c995eb208cea56f65ac5bbdaf08a5690c5b47
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