: Check System Info for your specific ROM name and build version. Prepare the USB : Format a USB pen drive to FAT32 .
: Select Online Upgrade . If a new version is detected, click Download . yt9216cj android update
Copy the update files (often named update.zip or similar) to the root of the USB drive. Plug the USB into the head unit. : Check System Info for your specific ROM
This is the easiest method if your unit supports Over-the-Air (OTA) updates. : Use a mobile hotspot or home network. If a new version is detected, click Download
Use this method if the online update is unavailable or if you need to "unbrick" a non-responsive unit.
: Reliable sources include the XYAuto official file server or enthusiast forums like XDA Developers . Install :
There are two primary ways to update your device: via the built-in online system or by manually flashing firmware using a USB drive. Method 1: Online System Update (OTA)