Download iPadOS 15.3 Build 19D50 IPSW Firmware Restore Files
Download the IPSW iPadOS 15.3 (Build 19D50) firmware file released at 26 January 2022 intended to restore iPad Pro 4 (12.9-inch, WiFi) via iTunes. IPSW iPadOS 15.3 build 19D50 is unsigned by Apple to update Apple device software.