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FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA
Stable

View details

Filename
1e5f977cdeb934ede893ec4c35c5d9963bd0e164.zip
File size
6.23 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
1ed53d203fc0c01c58e7fe6b3f7507cab73188862cbbec1ab3f6e828e5cf5d3c
SHA-1
7c74f962e9d11e13924a424d193c2d85db7995bc
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