FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 72d0bb6ff4f5522cd8b807f9f095199e4c340e5f2df5c2051eb5e1bd45ead18e.aea
File size: 4.90 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: b0d5fb2ea4c9e4b2cc74c6bb79e9e24ceb8e94c94ab9b3454eb5cde27569457c
SHA-1: f4ed1b11487705e42100baba59353f477b23c1b1
Required starting builds: 22H340, 22H351, 22H352
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