FIRMWARE DETAILS

iOS 17.4 RC

Build: 21E217Feb 27, 2024Restore IPSW

Release Candidate

View details

Filename: iPhone11,2,iPhone11,4,iPhone11,6_17.4_21E217_Restore.ipsw
File size: 7.68 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: 2b19083b056ca7feaacfa437a01cbf510b2d1fab94ec355bcff8dcf0ce6cf83c
SHA-1: f48b3d81c4f2aa392a38dd43e952c15db0b0be10
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (3)

iPhone XS iPhone11,2

Unknown

iPhone XS Max iPhone11,6

Unknown

iPhone XS Max (China mainland) iPhone11,4

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