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FIRMWARE DETAILS

iOS 17.1 beta

Build: 21B5045hSep 27, 2023Delta OTA
Beta

View details

Filename
5ba1e0be2888cad8704708e955450cbaaa939562.zip
File size
875.6 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
297a0557ade55bd83ca04e5a5a61951c60d8359257cba170605984e4849ab765
SHA-1
27a1fde507c2ebd00d13a163b82c512fcae3b15e
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