FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Restore IPSW

Stable

View details

Filename: iPhone11,8_17.4.1_21E236_Restore.ipsw
File size: 7.49 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 4ce7a0e130fddb5dbd699972853f10134c44e4fe2bc6301dc32272b305a43a47
SHA-1: 1893f508fff311c35780b461eadf05dd1f6b70e2
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone XR iPhone11,8IPSW.me public API retrieval · Oct 20, 2026, 8:25 PM UTC

Unsigned

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

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 456994a16c7d197b508e5047e375f11d