FIRMWARE DETAILS

iOS 17.6 beta 4

Build: 21G5075aJul 16, 2024Delta OTA

Beta

View details

Filename: a302c4db391180001b09245b8d703847d2c18787.zip
File size: 425.8 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: b52b6bd2be6e5e0dd2c0603d8b33a4f68030eb5e7f248b46806d40a9f5b6e14b
SHA-1: 278cec17fe7e252739ecd9cec0ae4b3e6eef16eb
Required starting builds: 21G5066d
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 iPhone15,4

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