FIRMWARE DETAILS

iOS 26.5.1

Build: 23F81Jun 1, 2026Full OTA

Stable

View details

Filename: 7e04e0fc34a43ca5ed7745b113cc41c738a580d98276efec308fb88a90ce412a.aea
File size: 8.46 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: 6703b65ad629152aac8e57e2bcf89dc93d54d454ae16068485c7ebf909a04ebd
SHA-1: cb92476622732a60c1fa21600964f159d83583f1
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 Air iPhone18,4

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