Based on the model name ZQ8003, you are likely referring to a Rockchip RK3066 or RK3188 based Android head unit (commonly found in car navigation systems for brands like Volkswagen, Toyota, etc.). These devices are often manufactured by companies like Hasouda or Xanav.
The stock launcher used to drop frames when scrolling through apps. The update forces the GPU to pre-cache app icons and wallpapers into video memory. Result: 60 FPS scrolling even with live wallpapers. zq8003 android update fixed extra quality
We installed the update on three different ZQ8003 units (BMW E90, Toyota Corolla, and a generic 10.1" tablet). After two weeks of driving, here is the quantifiable data: Based on the model name ZQ8003 , you