FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277jJul 11, 2023Delta OTA

Beta

View details

Filename: 8e78833a81fab5db5fd9ec0caf91e98064d86b1c.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: 5a0311bc6a7fe5c79050668b5c5cb731e1885d7de13996673a1da9417e94aa91
SHA-1: 6945386f93cfef6aa440b53fcb9c914ea8e06c47
Required starting builds: 20G5070a
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