Download iOS 12.5.1 Build 16H22 IPSW Firmware Restore Files
Download the IPSW iOS 12.5.1 (Build 16H22) firmware file released at 11 January 2021 intended to restore iPhone 5s (GSM) via iTunes. IPSW iOS 12.5.1 build 16H22 is unsigned by Apple to update Apple device software.