firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.1 beta 3

Build: 21B5066aOct 10, 2023Delta OTA
Beta

View details

Filename
912ffa2fdb04a45300034178d5bfa271874939ed.zip
File size
836.9 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
36093f93a4d474317d4e86f9384c33fc9d96b4e215cfc8562edef45946c3a428
SHA-1
b3c32a59cdfa4209b87952188df0b6b2d44bee3e
Required starting builds
21A5326a
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