Download iPadOS 12.5.4 Build 16H50 IPSW Firmware Restore Files
Download the IPSW iPadOS 12.5.4 (Build 16H50) firmware file released at 14 June 2021 intended to restore iPad Air (China) via iTunes. IPSW iPadOS 12.5.4 build 16H50 is unsigned by Apple to update Apple device software.