FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Restore IPSW

Stable

View details

Filename: iPhone11,8_17.4_21E219_Restore.ipsw
File size: 7.50 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: 09da4951bc35b417d85cf8e21972eee41554979ba56ca414978251eedaa4c094
SHA-1: 5cf47ed2753d2a16a0d2d8785a12ce571d69423f
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone XR iPhone11,8IPSW.me public API retrieval · Oct 22, 2026, 8:39 PM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

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: 7d44f019a6138d1af7f540f8f15bb0dc

AppleDBhttps://api.appledb.dev/ios/iOS%3B21E219.json ↗

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