FIRMWARE DETAILS

iOS 26.4 beta 3

Build: 23E5223fMar 2, 2026Delta OTA

Beta

View details

Filename: 64fc9aa1a4fdb5a53a56403459f5f63e44fa3d1d2d0f5a39f8abc1b63d2b30bc.aea
File size: 2.55 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: a61956580bcf91984f08351dff9e17347c72e5724e3392e7abf903423b7290ff
SHA-1: 991b120a0a75200204a299d6719044be7cc886cd
Required starting builds: 23D5114d
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: c8e25f007ad2e1abf9fc64a1751ed7d8