FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277hJul 5, 2023Delta OTA

Beta

View details

Filename: ff952a1bb0dc7625c75ce1e82caa96dc60851986.zip
File size: 3.12 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: ac7698d00d32071f1061c2f27c4881073a5c265b8621f6d14b6a6c6991aeafaa
SHA-1: ace6c0a81cc8784673ff301cd8f15ecde3f5c1f5
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 12 iPhone13,2

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