FIRMWARE DETAILS

iOS 17.1 beta 3

Build: 21B5066aOct 10, 2023Restore IPSW

Beta

View details

Filename: iPhone11,2,iPhone11,4,iPhone11,6_17.1_21B5066a_Restore.ipsw
File size: 7.61 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 7b0e2a62f253ae0a7f0d14530cd6d607953bc2579f59a7dab57c5365122032ff
SHA-1: ca1b397d495721ce5f0834b6b5fe36a3dced3abe
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (3)

iPhone XS iPhone11,2

Unknown

iPhone XS Max iPhone11,6

Unknown

iPhone XS Max (China mainland) iPhone11,4

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