FIRMWARE DETAILS

iOS 14.3

Build: 18C66Dec 14, 2020Restore IPSW

Stable

View details

Filename: iPhone12,8_14.3_18C66_Restore.ipsw
File size: 5.15 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: 8036689c95ac2138464ed19cc2febe5e33ac4f69ecc243a63e75a8c9c978ec04
SHA-1: bb67f6ca937261185e4a62eb78514197f06f78d3
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (2nd generation) iPhone12,8IPSW.me public API retrieval · Oct 22, 2026, 12:16 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%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: a2e8865a959ebfb9e76c18fe15be461f