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FIRMWARE DETAILS

iOS 17.0 beta 4

Build: 21A5291jJul 31, 2023Full OTA
Beta

View details

Filename
df535314acfc115174ffc83e49fb6c012a943caa.zip
File size
6.26 GB
File type
Full OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
d87b0c0324379abf73d76c255ab6f733163655e7e5fb4f5c96b177e4e6804feb
SHA-1
74fd41636704b1b4032830386f3fab5db42a3c63
Required starting builds
Not reported
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