FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Full OTA

Stable

View details

Filename: 15f6eba6fab24ad145fa24d0bfd2d0381fd0ec75.zip
File size: 6.31 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: 109a7911a289f576c0587d7df7b309438fbdcfdb50c19bbb8484af8926dee699
SHA-1: b39601980c7942d270d395f27a5bc9eacf6243e8
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 14 Pro iPhone15,2

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%3B21E236.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 35d6f74f80d62b482e435ab6b7815260