FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277hJul 5, 2023Delta OTA

Beta

View details

Filename: a55a969849bf96c6a2d9d2e9e1c09a1230d10f05.zip
File size: 868.7 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: 3097e4b77e9f2b03af122b4251440ace2ec6c55a91b2364e3ff57e00a0c87cb6
SHA-1: 4d51a1d2fe6616a9b1a5333c2cf437ce5a43f020
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 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%3B21A5277h.json ↗

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