Android 8.1 10 13 motherboard 7731 UIS9863 7862 7870 display screen 9 7 inch resolution ratio 1280x720 1920x1200 2K accessory

Android 8.1 10 13 motherboard 7731 UIS9863 7862 7870 display screen 9 7 inch resolution ratio 1280x720 1920x1200 2K accessory

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