FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 280c873f629b132b2cad8e5771e102866f485003a198d0350f5bb2fdf35f6dfc.aea
File size: 5.91 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: db6a46b159ea1371ad3608f5bc8352e000837a7f64e27a30901e579bbdd8c051
SHA-1: abcd1e730370e44550fa56f57e5bfef4a4eb5eaf
Required starting builds: 21H16, 21H216, 21H221
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 14 Pro iPhone15,2

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: 068f9108c631b2be9610754c465ed403