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FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA
Stable

View details

Filename
39ed676d9e74b7dcdae4cab85ad7664277298693.zip
File size
6.29 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
a21fa18651d393cdbe5db549677b3a9fc0ac1016b2d17cc640ff114f8b69eb7c
SHA-1
b79fe9aba390ef0d238eaeca8a38d2c74058a0b8
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