FIRMWARE DETAILS

iOS 17.2 beta 4

Build: 21C5054bNov 28, 2023Delta OTA

Beta

View details

Filename: 3fb35bccd9994fc392b5392d4ae06289fd8b09ab.zip
File size: 863.5 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: d394a317f59eb28b0b2c7d9e39223fceb004e756fb87cc5d48569f54db72c476
SHA-1: bbf5bd5a2622f6f973ffd7b055180626300dd0a4
Required starting builds: 21B5066a
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)

iPhone XS Max iPhone11,6

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