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FIRMWARE DETAILS

iOS 17.5 beta 4

Build: 21F5073bApr 30, 2024Full OTA
Beta

View details

Filename
8a4ab24445d84b0f18055fb4ad88c1d7fc07a257.zip
File size
6.28 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
ee71a0ae26b065eb084ea0bf95f0c0744d5f0c562d38d5c3b4f90f3ea99851eb
SHA-1
c8df9f23d0bfb3a066570b6f935cb4dd6fc61fce
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%3B21F5073b.json ↗

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