Download iPadOS 12.1.1 Build 16C50 IPSW Firmware Restore Files
Download the IPSW iPadOS 12.1.1 (Build 16C50) firmware file released at 05 December 2018 intended to restore iPad Pro 12.9-inch (WiFi) via iTunes. IPSW iPadOS 12.1.1 build 16C50 is unsigned by Apple to update Apple device software.