Do NOT turn off the engine or the unit during the update, as this can "brick" the head unit. Step-by-Step Update Guide
This guide covers everything you need to know to safely update your Pioneer DMH-Z5350BT firmware without bricking your head unit. Why You Should Update Your Firmware dmh-z5350bt firmware update
Even though the DMH-Z5350BT has no updates, the process for other Pioneer devices is still useful to know. The general procedure for checking and installing firmware on a Pioneer receiver typically involves two methods: and Network Over-the-Air (OTA) . Do NOT turn off the engine or the