FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184iJan 25, 2024Delta OTA

Beta

View details

Filename: 4fa171d0e354b58b00baccf26ddffad0f271098c.zip
File size: 1.20 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: e9bb1aa8ae6d470dd5a274b09ffe7fcc704501df704c960ed76eca902559a039
SHA-1: 39a00d1717e4538e74e2fd97f9f1858ab1624748
Required starting builds: 21D5044a
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 XS Max iPhone11,6

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