FIRMWARE DETAILS

iOS 17.0 beta 3

Build: 21A5277jJul 11, 2023Delta OTA

Beta

View details

Filename: f8cf05a1689aa918de39553e5cb5ed8101d88927.zip
File size: 2.83 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: 0f02f1090591b1e9d972cf2cf9cf966df5966f39573ddffe5692244bec7fbd08
SHA-1: 629289ff929a09170157cec23a4d98a303b86f3a
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 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%3B21A5277j.json ↗

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