firmwarehub.
العربية
FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA
Stable

View details

Filename
249bfc2400e1b934361d9a1298240cec98f4e33da3fa3e6af0ac027ca7bc40e7.aea
File size
6.44 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
b17b83acd1a8fbb7e1ab774458c7306258a6d03e7a63e91deae91419ecdb732e
SHA-1
e85b300f40eeec547f9feb0ad15e4baace4bfd92
Required starting builds
21A326, 21A327, 21A329, 21A360
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