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FIRMWARE DETAILS

iOS 17.5 beta

Build: 21F5048fApr 2, 2024Delta OTA
Beta

View details

Filename
4fdf1c8f3167b3c74413a69e80af90906921c6b7.zip
File size
765.8 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
07686c5ac75a2607870c4e21bdcbbf7c3506092e9a7d9356d9721c6e6722cafb
SHA-1
32be83b8edcff8869c6c3e73a8f579537221b801
Required starting builds
21E5200d
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%3B21F5048f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: a0f3b7c474ec584c0b00ea3cda0a1cfd