FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Restore IPSW

Stable

View details

Filename: iPhone12,8_17.4.1_21E236_Restore.ipsw
File size: 7.35 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: 0eb88c8e755a7777593c60cb7ac39a3dbe04b07909375204750e83a2642073a6
SHA-1: f95f2b52ca92efc862ad3bb65987dcd3cd4e991a
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (2nd generation) iPhone12,8IPSW.me public API retrieval · Oct 21, 2026, 8:40 AM 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/iPhone12%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 1a68871d61ae8839eeb136a4797b090a