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FIRMWARE DETAILS

iOS 26.5.1

Build: 23F81Jun 1, 2026Other Firmware
Stable

View details

Filename
d2d55df465d2ab2d19fad0ed82689deba08e382b1cafb93702ffceada3832507.aea
File size
360.7 MB
File type
Other Firmware
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
dc7b877dcd2863ce3bdc77405a4b3a561f19eccf66f2a34629fb4e745e835af2
SHA-1
5dda53bdee2500ab949450731708e3e1a8adff29
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (1)

iPhone Air iPhone18,4
Not applicable

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%3B23F81.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 5c942573abf0119b4e5bd563e9638914