FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184kJan 30, 2024Delta OTA

Beta

View details

Filename: 476ec5ed10f4df6c29b862c1ead650cb2b6cefd1.zip
File size: 1.40 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 6a7c9e5f92624611c186be46690d10d132c49b9d52131493fdbc9f3c309a5567
SHA-1: dc95d8b8f4b8ae375c63157708dd1a9b626819b3
Required starting builds: 21D5036c
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 Plus iPhone15,5

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%3B21E5184k.json ↗

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