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FIRMWARE DETAILS

iOS 17.1 beta 2

Build: 21B5056eOct 3, 2023Full OTA
Beta

View details

Filename
8170f9278c7ba7755cb7270c11bfbade52666e05.zip
File size
5.86 GB
File type
Full OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
4bc3a3ad3af69b42c961934e9f7097573f4bf7d217df23c005fae0c5462ca833
SHA-1
8f78498a33197a73fef7b8d01ee4d6e33c6f2b6b
Required starting builds
Not reported
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 (2)

iPhone 11 Pro iPhone12,3
Unknown
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