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FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA
Stable

View details

Filename
46b491eb65c1f1031e78d0657f99ebb5344e3854.zip
File size
5.89 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
8457c43e9d8c668f8bec3c65ac9af6405eee02b593bf5c75403196bd496e9752
SHA-1
246b61e35bbab57430c69e42bf52a3b985c58995
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%3B21E219.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: c89b542f4c3e0674573e93f3ad0939c2