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FIRMWARE DETAILS

iOS 26.5

Build: 23F77May 11, 2026Delta OTA
Release CandidateStable

View details

Filename
2a761a337cdf1bfbb9512a902e5abe2f9bd637aca0f53119fa0d8d90f36e4b54.aea
File size
3.02 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
554535b105d52c6b6f28b432999e48e748b1c74c0af42b6a9d76211ded686759
SHA-1
4d9a7982de6fb75fe415fac67f85978f1649512b
Required starting builds
23D8128, 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)

iPhone 16 Pro iPhone17,1
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%3B23F77-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 5716f448df50883f2c36357892c290af

AppleDBhttps://api.appledb.dev/ios/iOS%3B23F77.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 1ad734f75089c2b82b053bf47665437b