FIRMWARE DETAILS

iOS 17.4 beta 2

Build: 21E5195eFeb 6, 2024Delta OTA

Beta

View details

Filename: 8efe4ccb64acc9bdbaa0749fa9c620667a584ee7.zip
File size: 1.24 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: f9e558c0564271ea85ba91926a5fdf935f6e04f111572214ec7dea439c890482
SHA-1: 91a145705e831201ecca99eefea8a26543e9a3b9
Required starting builds: 21D5044a
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%3B21E5195e.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 21fe910594df6aaab59daecf0d092d98