FIRMWARE DETAILS

iOS 26.5.1

Build: 23F81Jun 1, 2026Full OTA

Stable

View details

Filename: f80f669148ad81062c236554bcd2f534542061ab1f709a214222027da8c984f5.aea
File size: 8.72 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: f6bf125693de0c4b25336368128e4904ba1d6d22d192954107f9165464764fe5
SHA-1: 6c2bf132325df12a8459b4694515637206cfe81d
Required starting builds: Not reported
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 17 Pro Max iPhone18,2

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

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