FIRMWARE DETAILS
iOS 26.5
Build:
23F77May 11, 2026Delta OTARelease CandidateStable
View details
- Filename
fd6f49ac336f44116625e0f8cbb44d2e41ad99c0.zip- File size
- 5.57 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
883e190e955701849854ce0fcabaec2730bc3c77decf8989fa744a09a683d354- SHA-1
fd6f49ac336f44116625e0f8cbb44d2e41ad99c0- Required starting builds
21F79, 21F90- 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 12
UnknowniPhone13,2Signing 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