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FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA
Stable

View details

Filename
dd4359593a919b9a157aac1ecfb88ba438a6582b.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
7a8a77c66a95127b2c9eae916e70a27f3f5fa0436266721d5c372600de2f7d01
SHA-1
606eb1851b13de38fc9034fcc62fb590ea67d37a
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%3B21E219.json ↗

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