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FIRMWARE DETAILS

iOS 17.1 beta 3

Build: 21B5066aOct 10, 2023Full OTA
Beta

View details

Filename
c8b0ed42e1e9385cb01535a9ecc00bfdb44aeb6a.zip
File size
6.47 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
0084377143aa13e9eca48625c473a9da13488ed13b9489432bb6a9d6ca27c580
SHA-1
9918547ec93d360ce2b7bd1bdc7e28cf00d5a069
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%3B21B5066a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: b73e131c06b516a6126e8e74a8094a4c