FIRMWARE DETAILS

iOS 16.3.1

Build: 20D67Feb 13, 2023Restore IPSW

Stable

View details

Filename: iPhone15,3_16.3.1_20D67_Restore.ipsw
File size: 6.71 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: c63bd459a6ecaf5f78e53c546aa318ec611963b35c5bcc10d577cc67e8a4e278
SHA-1: fbfa4a738e8d7b5e9ac5bdef7617569ab05444ee
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 22, 2026, 2:54 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/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 3be6363fe1ea6f988de0daebd4760a94