FIRMWARE DETAILS

iOS 27.0

Build: 24A437Sep 14, 2026Delta OTA

Stable

View details

Filename: 8c9d4eab505913a0ae80a0f46249ee5066b6750e01c29862385b6a84fdfcd47f.aea
File size: 4.70 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: a32e5d27aec2fcca6abc5ecd01c03e1935b07c015856a4e449139018cfd829e4
SHA-1: Not reported
Required starting builds: 23E261
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: b376a3fdbd82588a86d1085af093ad3a