FIRMWARE DETAILS

iOS 26.5.1

Build: 23F81Jun 1, 2026Full OTA

Stable

View details

Filename: 8b0214ab6afc57588b379d34c68fe2525e8971ed1ea42106ffbdb66431ad47f1.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: 9199f9e4325b701ecf6390754ebed41d76c80999117c8e5a45a845a75afd6d9c
SHA-1: 5169283e4b5f5db7156e9d840f9022ff3f841fa6
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 iPhone18,1

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