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FIRMWARE DETAILS

iOS 17.0 beta 4

Build: 21A5291jJul 31, 2023Delta OTA
Beta

View details

Filename
f5ce3ef44321122ffc945286e3b82f490e39b9f3.zip
File size
3.26 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
17ca9b0ffe318b2b1c872e1d223226cc992481b4859f7af55fd2f1a2c486ee61
SHA-1
4f5072efdf68dbff0e9c02919d1340ff34ad4c74
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)

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%3B21A5291j.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 1a482bda17ccfbe4995fdb9086fbae7f