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FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Full OTA
Stable

View details

Filename
dd9dd301b788df139503c7c77cc02e1081d75c6b.zip
File size
6.46 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
94e26d373f26729a276d12c07119dcaf6b55a248b845d1636051f750e5240376
SHA-1
8fce753705cf18d044b99f1221ecb49a450a2163
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.

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%3B21E236.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 35d6f74f80d62b482e435ab6b7815260