Before downloading any files, you must verify the specific "Build Number" or "MCU Version" of your device. Installing the wrong firmware can "brick" the unit (render it completely unfunctional). Go to > System > About Device . Take a photo of the MCU Version and Kernel Version . How to Install Firmware on the Mtech 8803 1. Preparation
Installing firmware meant for a different hardware revision (e.g., v2.x on a v1.x board) can permanently brick the device. Always verify your PCB revision before updating. Firmware Mtech 8803