Download iOS 15.2.1 Build 19C63 IPSW Firmware Restore Files
Download the IPSW iOS 15.2.1 (Build 19C63) firmware file released at 12 January 2022 intended to restore iPhone 11 Pro Max via iTunes. IPSW iOS 15.2.1 build 19C63 is unsigned by Apple to update Apple device software.
