FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184kJan 30, 2024Delta OTA

Beta

View details

Filename: 6b56eeaedbd931bd48274171a85cd079fcd35556.zip
File size: 1.45 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: c44b3434264de1797ee5fd1f7f84dc306307139c49ae467b7fb311179d522943
SHA-1: 94c3e4f9ff1f40ec7a600607d9d2572be362a941
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 15 Pro iPhone16,1

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%3B21E5184k.json ↗

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