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FIRMWARE DETAILS

iOS 17.1 beta 2

Build: 21B5056eOct 3, 2023Delta OTA
Beta

View details

Filename
0ff13477b6a4a0a234de8d71f29cbe85c9ff13c6.zip
File size
614.8 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
8dd894449652f58ab0866d1d7823e5e84a446b94a7818d7a8af242b691756eda
SHA-1
d7ac7e0783d61c5856ed0d910c4b57db9c0ff309
Required starting builds
21B5045h
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%3B21B5056e.json ↗

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