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FIRMWARE DETAILS

iOS 17.1 beta 2

Build: 21B5056eOct 3, 2023Full OTA
Beta

View details

Filename
af599f7369b66087d00efe20b7c7f31d07363ee6.zip
File size
6.27 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
2dbcf68e7c71d11b228014a0ee3585e5e77e04d44e382aac64d0d671deb9bc3a
SHA-1
a1e28ef0013ac35889cc10e7879159c56a700869
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%3B21B5056e.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: a5e7797b0709d6a60d5270c75026ee0d