FIRMWARE DETAILS

iOS 17.5 beta

Build: 21F5048fApr 2, 2024Delta OTA

Beta

View details

Filename: 4a41945a39f5b572fa19e6896781cc9737b60df5.zip
File size: 766.1 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: 3d8e8b5059b90ff87e4d9ff7a59be733d15e37b13bbf5586aafb4c137d14ae5f
SHA-1: 2e114cc00961177704393c4a4d91c577ea63f286
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)

iPhone 11 Pro iPhone12,3

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