FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Restore IPSW

Stable

View details

Filename: iPhone12,1_17.4_21E219_Restore.ipsw
File size: 7.37 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: 25372177d2d4634d4638f08381dc186df21acef827887a0786eb128b64bba48f
SHA-1: dc4a2f3f4add35d25bdaa79347d94b52542d16c3
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 11 iPhone12,1IPSW.me public API retrieval · Oct 23, 2026, 3:03 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/iPhone12%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 3483b6acea00c55e9cb5864a0822d660

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

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