FIRMWARE DETAILS

iOS 17.5 beta

Build: 21F5048fApr 2, 2024Delta OTA

Beta

View details

Filename: 4cf906af7394a91538e093be21d55626ae916cd6.zip
File size: 758.7 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: d8ca38f6982912467589832e15c20c20d16d5ecdaa9ba0941d44e7ffa6fe2c7b
SHA-1: 4bf4e87493db49a8b2f25f5e9f1d70f11ea7eac1
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 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%3B21F5048f.json ↗

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