Look at the back of the stick or the box.
For internal NAND flashing, you’ll need: game stick lite 4k firmware download portable
To download and install firmware for the Game Stick Lite 4K , you must first identify your specific hardware version (e.g., V4, V5, M8, or M15), as using the wrong version can brick the device. Most firmware files are distributed as disk images (.img) that must be flashed onto a microSD card using specialized software. Firmware Download Sources Look at the back of the stick or the box