FIRMWARE DETAILS

iOS 27.0 beta 4

Build: 24A5390fJul 20, 2026Delta OTA

Beta

View details

Filename: d5b699c27b9a9f75de802155bdd7ba1a71a1551e8e3226bc9ca67cc6abdac3a0.aea
File size: 3.49 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: 499661d5995375a2bb256c97567db9dc8e033b70d0aa9434c5109b723f95a563
SHA-1: 5a311edc23f2cd16dba5585be784633885668e6d
Required starting builds: 24A5355q, 24A5370h, 24A5380h
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, 10:55 PM UTC
Record fingerprint: ff837642930b951d4a7d18cfbbbbc6ba