FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: ff6548341f6a96e2b86c469b7b57cc5603c9b02d8a3fff8ff2c852d4af262379.aea
File size: 5.03 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: 6175728997017e402da3b5ea08e8e3e4d2f7042ccdd4f8c81ba1eaeb2430b148
SHA-1: bd4aa3ce3b35c13667008b111a50ea251dc4d6c0
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 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