FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA

Stable

View details

Filename: 96521ca8b1ea2b4336948a6c39642a6019600353.zip
File size: 6.22 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: 232c322e1cdd0fa9b7b6d58969f1c73fff2b060a71e6c8171fd6c3cab720c53a
SHA-1: 206d71ddafeee3f61eef3d32477c48d0a7c4f139
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 (2)

iPhone 12 iPhone13,2

Unknown

iPhone 12 Pro iPhone13,3

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%3B21E219.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: c89b542f4c3e0674573e93f3ad0939c2