FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277jJul 11, 2023Delta OTA

Beta

View details

Filename: cd1f2628c7b1642bc894e9bbf3b8ed478c343e53.zip
File size: 2.90 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: f5b835062fc2a0786309ecf54356f1e1124ef9520ced8f66fac377c080404534
SHA-1: 16818afef0f0e5c42ea6d9851be2fba544e56fad
Required starting builds: 20G5058d
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%3B21A5277j.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d30edd536bb3e7bc1c8c6fb25f3889f7