FIRMWARE DETAILS

iOS 17.5 beta

Build: 21F5048fApr 2, 2024Delta OTA

Beta

View details

Filename: bfa11d3bee3ca4e433f7abf684f2e7913565a8ca.zip
File size: 720.1 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: b3534dd8a3ba5e8a86455898a981a018d735b42245ae629d40d34bb97d75a157
SHA-1: 5348d42757a4dda92426167e6cab9cdb822345fd
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)

iPhone SE (2nd generation) iPhone12,8

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