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FIRMWARE DETAILS

iOS 17.2 beta 4

Build: 21C5054bNov 28, 2023Full OTA
Beta

View details

Filename
0bbc75630638b14d07345298437deb2a22af2350.zip
File size
6.19 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
5dea978119e9de0fbc2c0ecfd095aad1a9ee773fc9c0f3c3307d45c0faa7551a
SHA-1
bd153507e1ac48a9726ce351e71745dbc8055b04
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 (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%3B21C5054b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 8a5d0e9f998e015dade556b1b5efefaf