FIRMWARE DETAILS

iOS 17.1 beta

Build: 21B5045hSep 27, 2023Delta OTA

Beta

View details

Filename: 7c8afcde43ce142f5277c7f45298b7662c9f4220.zip
File size: 996.0 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: ad8ccf9a1ed2f48a39af67916aab466a31027dc5663fc1e83b24815dc09fcd90
SHA-1: ea66d8c213076091ce9b995dd1ed4568f3a1bf27
Required starting builds: 21A5319a
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 13 Pro iPhone14,2

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%3B21B5045h.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 460f657eb931788bddaa2b5ef7d2a9b1