FIRMWARE DETAILS

iOS 17.4 RC

Build: 21E217Feb 27, 2024Restore IPSW

Release Candidate

View details

Filename: iPhone15,4_17.4_21E217_Restore.ipsw
File size: 8.03 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: af53f7d1697b48747210b5f1d92015d983c8c665088ec63b5ab1bc91609cacb2
SHA-1: 4238914a4ea7aa29c8fa13bafa3c992d5a176d18
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 iPhone15,4

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