FIRMWARE DETAILS

iOS 17.1 beta 3

Build: 21B5066aOct 10, 2023Restore IPSW

Beta

View details

Filename: iPhone12,8_17.1_21B5066a_Restore.ipsw
File size: 7.29 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: 341075331357bcdb9854b020050ad043cb4a99967cea0b7d98a15f8d6123232a
SHA-1: 4f7527b3296eab44655bf69a166a6965bc07c4d0
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (2nd generation) iPhone12,8

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