FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: eed619363294046513fb5457a7cc590fde3d9511bd8540585d1178dbf45989df.aea
File size: 4.36 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: 15c1d81100e279e270c04552599a61495fb6a19dca67fa311e7ccdf0d4bd3840
SHA-1: 37ca88b37d42f6d3d849252e98245fe422ebc2d2
Required starting builds: 22F76
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 Plus iPhone15,5

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