FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 34c1d7996ce0e71329faf034b603647a328648fb21b945c8fd787be4f87bfb94.aea
File size: 5.17 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: c545ee6009216a69b59bb70883f8e6b2bc3d5145786455331db2102586938231
SHA-1: 8155aa37b87322271693d8d82c0dcb84036274eb
Required starting builds: 22G100, 22G84, 22G86, 22G90
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: e2c6b4d70a03d2c34df5f419214a28f1