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FIRMWARE DETAILS

iOS 17.2 beta 4

Build: 21C5054bNov 28, 2023Delta OTA
Beta

View details

Filename
0f2ab0ac8631536fc350ad8c8fe38ac6f4fe7fd4.zip
File size
514.6 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
ae8255c7d8494a6e5b9c94986e71a605966d000df3fd810e90d4a192bc94b6ac
SHA-1
62d0b605f7eb6454c442063d2450f80670c6ae9d
Required starting builds
21C5046c
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