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FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA
Stable

View details

Filename
c952f34e4b1bc793585fa9f820f12c9dd602a4dba7d7c8f07ebc24ea93c1f3c1.aea
File size
6.58 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
58f05cc0c22ba94b4e22db2b8cbf2f3aa2d4e8d64ce64e5d172f081e3f5cf8e1
SHA-1
c3242b09a3bed8d524ded410f3be617a0863b11b
Required starting builds
21B101, 21B74, 21B80, 21B91
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%3B23E261.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: e2c6b4d70a03d2c34df5f419214a28f1