FIRMWARE DETAILS

iOS 17.0 beta 4

Build: 21A5291hJul 25, 2023Delta OTA

Beta

View details

Filename: 9e68fca83c1ba8d4509df6a0c53b21da84b7e4ce.zip
File size: 2.88 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: eb64005b81b130a285939022f0b24623a7cf95bd86def0126e56fc90e54dcf96
SHA-1: 5e72afe47ccc5cbb707ef8098c270a34971d5006
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 11 Pro iPhone12,3

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%3B21A5291h.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: b29867d33fa2e577f08805e98a6da026