FIRMWARE DETAILS

iOS 17.4 RC

Build: 21E217Feb 27, 2024Full OTA

Release Candidate

View details

Filename: b2fbd5c5ff2f8546bd38fc7dd84c82a18f011e82.zip
File size: 5.86 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: 0277c6eb20c3174d683680ce63ef6c27b0505a5e2a128e08adf841411a9ed59b
SHA-1: 8c8be3dcdc580aff3cc3bf4154266502fe482daa
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)

iPhone XR iPhone11,8

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