FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: b31c4f5fb59f032bd2c88c7efec92d134501d32d47080a7665a0cef52ffdef60.aea
File size: 2.62 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: 8da089a99a3277e0551d5d0e72c724f00a3b45ca9967cf7fe93b99dde40a09bc
SHA-1: 6c0d2cb04f1ea5fe0c9cd57db048db6a74c998ef
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: 266f23a2e3a0472ff895ed73af2f2aa0