If there are scratches on the touch screen, please try to use the HB or 2B eraser (the harder, the better) to erases them first.
It is because of the special material of the screen, the screen marks easily if there scratching with the soft metal (such as aluminum, silver, gold etc.), most of those marks can be erased by eraser.
If the scratches remains, please contact our hotline or repair center to get professional technical assistance. Find the hotline or repair center information from the official website or APP “Support Center.
