FIRMWARE DETAILS

iOS 17.6 beta 4

Build: 21G5075aJul 16, 2024Delta OTA

Beta

View details

Filename: 17d1b2a2e7c76a151c1274c1b2592fe27f7786f0.zip
File size: 591.7 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: 62af2221e69fef66cd8c0b5ebedcbac81ec398d33f3dc4aa01cbe50f702ca40d
SHA-1: ccdb50b5c44b73b97898b6fc0f0bf26e773e9045
Required starting builds: 21F5073b
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 Pro iPhone12,3

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%3B21G5075a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 525b04011ff23ea24d8cebb07d3ca6fe