FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184iJan 25, 2024Delta OTA

Beta

View details

Filename: 17e6b89f70992ddd399c44151bf9ba6572cb06e4.zip
File size: 1.19 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: 1e48a544e9c25839267463cfe47560da3f306a25f0c51770ba6aa0b3dea4e17e
SHA-1: e8d18185ea83f21cbffe05be5f51d0386084bd29
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 11 iPhone12,1

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%3B21E5184i.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 60cdca371d59af785a5830467c6eadb6