FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184kJan 30, 2024Delta OTA

Beta

View details

Filename: ac6717f9a212814ea1b171961775e5276984555e.zip
File size: 430.0 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 1e609a7486a71b4ae51a84b40a19a655ec71b76336908458c7f067782fa9c875
SHA-1: 1b164353598c344a4801f200f967d23228fb925e
Required starting builds: 21E5184i
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 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%3B21E5184k.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d3c42d204b035b656a7226ce939cd3e9