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FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Full OTA
Stable

View details

Filename
e0e75b302004636114c20dd978047b6990ad5556.zip
File size
5.88 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
d5e5401ab7e690989fe18219a440473caca3c6c1781187e6cf78bbfb249ca2fa
SHA-1
9c0f22eb0c16fca968918f9d2c5e24e0562e5ae2
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 (2)

iPhone 11 Pro iPhone12,3
Unknown
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