If a version is found, tap . Once finished, the unit will prompt you to restart and install. Method 2: Manual USB Firmware Flash
: Many users update specifically to resolve lag or "connection dropped" errors in wireless CarPlay and Android Auto (often managed by the ZLink app). bc8-android update
Connect the head unit to a stable or mobile hotspot. If a version is found, tap
There are two primary methods: a simple for apps and basic system patches, and a USB firmware flash for major OS upgrades. Method 1: The Online (OTA) Update Connect the head unit to a stable or mobile hotspot
If your unit supports Over-the-Air updates, this is the safest route.
: Patching the OS can improve overall system speed and fix bugs in the user interface.
Open the menu and navigate to System > System Upgrade (or System Update ). Tap Online Upgrade or "Check for Updates".