FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 0f7583ee963ac20a263f0e9717cc04938b27fcc56ce115bbac09aac5f9a32900.aea
File size: 654.3 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: e27817834f09369b3791bd26430ebdf735e1a75eec2ce2014c1b26533fa58b85
SHA-1: 5117c19dba33c49684fcbfe9dae9afdfaf5a7e9d
Required starting builds: 23E244, 23E246
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 16 iPhone17,3

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