FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Full OTA

Stable

View details

Filename: 2c5ac10048683935114829228f8c4c23c28421ac.zip
File size: 6.46 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: dcf0c2bc201668562e1a9a92bb5e4f2ab93520888e37937122454cb187f51f81
SHA-1: 99d8848f541c4b0cbe796a503ac1bfdc8ef375d4
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 15 Pro iPhone16,1

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