FIRMWARE DETAILS

iOS 17.4 beta 4

Build: 21E5209bFeb 20, 2024Full OTA

Beta

View details

Filename: d7aa50fb9bc7d11123e16f3861d5612afd8613e5.zip
File size: 6.13 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: 78d6e263cb800867453aba4ba69802936ac074fafba593afb568295e9fc11cf5
SHA-1: 745937c25e5da0964aa70c00653de9c9cd4322f4
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)

iPhone 13 mini iPhone14,4

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%3B21E5209b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fe63c79b1c14a24f0f284bf400b7ab04