FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Full OTA

Stable

View details

Filename: 1f13e30b574783f236ba8a8a0f7c9bd49f68a4753db2233b0b1fca93b5bdcebb.aea
File size: 8.46 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: d2969db902d95a0f61d47d879958c2793b33eb457ef8deee0a534c3785d63266
SHA-1: e89b77cf15a1a825bc9d339bbf190acb78aa749c
Required starting builds: Not reported
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 Air iPhone18,4

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: 068f9108c631b2be9610754c465ed403