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FIRMWARE DETAILS

iOS 17.1 beta 3

Build: 21B5066aOct 10, 2023Full OTA
Beta

View details

Filename
886e72ae96562efc4a5ea8191f4fd9e52c462486.zip
File size
6.18 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
c9a77cfc07491cd2a578fce7b70a427b61de734921bf7da0d6547085b8365caf
SHA-1
e2121338a3b24b243122b4e946a4092e541096b3
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