FIRMWARE DETAILS

iOS 17.1 beta 2

Build: 21B5056eOct 3, 2023Delta OTA

Beta

View details

Filename: 2224028b61934a097e00d846bb8d19e9c0db0e2c.zip
File size: 1.00 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 99f977637efd43cd4e928b90601f725c6c23353c327e7f84b5d65fb54b027df5
SHA-1: c9833d8a568b1c8387df893dfade134cb0f58d3b
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)

iPhone 12 iPhone13,2

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%3B21B5056e.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: a5e7797b0709d6a60d5270c75026ee0d