FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: a1065c64ad17e509d36374e0877b54362fd854b7896e5a536921d66eb90e9cbc.aea
File size: 4.03 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: ff966b13ef7274e9a3ab8752061444e9304bed9b39e000f369246916830ca780
SHA-1: 9447f0dfaf7608ca999bdfe968110ca17231289d
Required starting builds: 23A330, 23A340, 23A341
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: e2c6b4d70a03d2c34df5f419214a28f1