Download iPadOS 12.3.1 Build 16F203 IPSW Firmware Restore Files
Download the IPSW iPadOS 12.3.1 (Build 16F203) firmware file released at 24 May 2019 intended to restore iPad Air 3 (WiFi) via iTunes. IPSW iPadOS 12.3.1 build 16F203 is unsigned by Apple to update Apple device software.
