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FIRMWARE DETAILS

iOS 17.1 beta

Build: 21B5045hSep 27, 2023Delta OTA
Beta

View details

Filename
aa58b6cbe21d7a8f355c3fcce9e79313f21dc2a4.zip
File size
827.8 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
98894f81d8de56f65d5122c6760552ff084922b506769f24c63fd5f7346f8acc
SHA-1
b5ddebc15c84dcdd3daf0af5690e49676c3e9e5d
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)

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