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FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA
Stable

View details

Filename
d7350310f401a400fbab32c0648641ecd4eb1e7c.zip
File size
5.78 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
dc3f17413e34bd4d39939113bb890232a7fbe0efe55c5a1a7ff57f26fccf4b69
SHA-1
d7350310f401a400fbab32c0648641ecd4eb1e7c
Required starting builds
21F101, 21F79, 21F90
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