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FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA
Stable

View details

Filename
969dcc81f5a84adea38bc7901e1ee7127d192aefb279a9f2446de96455996170.aea
File size
6.58 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
6e7d18df921689ec8ac619f968d993ff41aa08feba5b611f33d34736b4c0f5ad
SHA-1
a588eb4ffc68b7e456ddbbafcc4fed5ba2c9c3e6
Required starting builds
21B101, 21B74, 21B80, 21B91
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B23E254.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 068f9108c631b2be9610754c465ed403