FIRMWARE DETAILS

iOS 26.4 beta 2

Build: 23E5218eFeb 23, 2026Delta OTA

Beta

View details

Filename: 0cd321870ac0b9c8e1e0492831e6f66a84b5b7e89c15c919e5f168b1ff2189c4.aea
File size: 1.38 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: d4652032686c1d19f3a45d5754e87f659a7b4e53cea0114b8b1e325e07043230
SHA-1: cce36bedd0a7b81bc6bd8bf36ffbcc52dceb7d68
Required starting builds: 23E5207q
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 17 Pro iPhone18,1

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: 24aa88c31b1c88b4a1df602840f8038e