FIRMWARE DETAILS

iOS 26.4

Build: 23E246Mar 24, 2026Delta OTA

Stable

View details

Filename: 1f4edf4cd9d7f61f40de1d17c7dfe2fb581ea4831f3e6aeb3482de76958baa21.aea
File size: 6.17 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: 4025bb7c7ab29b1eb75d7f74380ba6c7f46fc4e5a63771b86ac35ecb02f5e731
SHA-1: da21901ac5e53d589adde82b6c4c63f4ecd7782d
Required starting builds: 21B101, 21B74, 21B80, 21B91
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 15 iPhone15,4

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: a55c8ee2f9fc0fcbc1637ce8870341b4