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FIRMWARE DETAILS

iOS 17.1 beta

Build: 21B5045hSep 27, 2023Full OTA
Beta

View details

Filename
831a3b2b87f90f74e5313892c3f4e48c7e44759e.zip
File size
5.84 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
9006714f72c560385bdc303ede44628c90c3ecf9282f6a69da9deccf33dd2722
SHA-1
9c25c7f4a7d69eade31de14d425262434dac5410
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%3B21B5045h.json ↗

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