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FIRMWARE DETAILS

iOS 26.5

Build: 23F77May 11, 2026Delta OTA
Release CandidateStable

View details

Filename
20829f1a0d21b03d79f1e4d38706ef4d303abea7f1213342fa06540b6b4d92b9.aea
File size
4.23 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
88a3b525c9c32247f138816c38a3321878f324e30dcd34e2f851fab4a64c1a95
SHA-1
9f999ba52c331a173fc44f6ff7f94159ab641651
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 17 Pro iPhone18,1
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