FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277hJul 5, 2023Delta OTA

Beta

View details

Filename: f188686726ac2bbf76b51f09d7bd64c5939443a3.zip
File size: 842.8 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: 8af4fdde5f18d341a8346efd710457c4378ddf19affdc505145d3b1416ebdb40
SHA-1: 81628ef4f060e797109523bf23d7470936ac5af7
Required starting builds: 21A5268h
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 SE (2nd generation) iPhone12,8

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%3B21A5277h.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 2edf3242c3c7562adfcc97fc81ed0964