FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 92d0e96bd72e135ef4ad4c844ca863afc593c1adc003d520212a9839bc59c32f.aea
File size: 5.44 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: 2d90a5f52c3f71449ae2a2bb92ad8cc0bf02c24c9708866ee7ed010de7683ce9
SHA-1: 499f4793fdfad821e28b31449b96633cb34ec2af
Required starting builds: 22B83, 22B91
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 Pro iPhone16,1

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: e2c6b4d70a03d2c34df5f419214a28f1