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FIRMWARE DETAILS

iOS 17.4 RC

Build: 21E217Feb 27, 2024Full OTA
Release Candidate

View details

Filename
d500b61c8aad296acc7c0f019398732bb44e5147.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
ec06183971808a3f3162b0af7f588e4e42592f77b35cb93fde3b6ef6557486f6
SHA-1
7cbd1c66e9c1003b2bf8fdcf0900fb2f256cb9c4
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%3B21E217.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: c0cbd73a7018633fa09ab870ccf9000c