firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.5 beta 4

Build: 21F5073bApr 30, 2024Delta OTA
Beta

View details

Filename
948d7903f2a577c698656fe38fe0ba506b1e62ce.zip
File size
814.6 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
4b982dd41973ac3715f7d7a49dabe3eb0eed574384e2f258a127b4cd836e818b
SHA-1
c30039c48bf45365264076fdd5bd7c705941939a
Required starting builds
21E5209b
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%3B21F5073b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: e511979c038b1b785b73b05746d99ae6