FIRMWARE DETAILS

iOS 17.4 RC

Build: 21E217Feb 27, 2024Full OTA

Release Candidate

View details

Filename: a1415552a71c6a59562f53cf9c87cc3884c8dd3b.zip
File size: 6.12 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: 2cc9e5bc626902bfd67a3ef5407933fa7c8309b47f8ea8a7e51034664ded5f5e
SHA-1: b3086bfc93571808c06f2f08d278cc3784b8a60a
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 13 iPhone14,5

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