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FIRMWARE DETAILS

iOS 26.5

Build: 23F77May 11, 2026Delta OTA
Release CandidateStable

View details

Filename
039fad96a8e75bb49733f1633a0c530a0c9d0ab5b3afd540083fb065067b89cd.aea
File size
4.03 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
45238c067f52a080f0a4c5f128f57159bcd9f8b880e4a3d6ef2c8fb0cb62eb19
SHA-1
ad69d38631a3b3495f019eca54fe67a71d5167dc
Required starting builds
23A355, 23A357, 23A365
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