FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Full OTA

Stable

View details

Filename: 671acc82bc24ac0bc5010483a9a8b9fae18ffb5c7001b7a52e6324f140c2e12e.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: f8fa12322c44181bc66119bc7d22a977bbb9424fb5c9d8f30650d8025db3a84b
SHA-1: 16cd429ec78addaa2d631fbdc7e7ab114342fdc4
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: e2c6b4d70a03d2c34df5f419214a28f1