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FIRMWARE DETAILS

iOS 17.2 beta 4

Build: 21C5054bNov 28, 2023Delta OTA
Beta

View details

Filename
6be327e29befe303257ccc647070fa6b1c28ef63.zip
File size
567.9 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
fd24f0c68ca750c18565fdfa15d39630b5f1fa7246a704725d74c8fe84039cf9
SHA-1
8756034e8544823a3b1b22e6fa0ecb3ffd1f5077
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