MZD升級步驟 1. FIRMWARE version for '4A N' or 'ADR' for CP/AA of two .up files. cmu150_ADR_70.00.021A_failsafe.up file MUST be Installed FIRST. cmu150_ADR_70.00.021A_reinstall.up file MUST be Installed SECOND. 2. C924-V6-605 New USB Data Cable set of two, MUST be Installed THIRD. 3. TK78-66-9U0C New AUX Unit, MUST be Installed LAST.