Wei Unicom's touch screen instructions can't be downloaded.

Does the subject want to ask "what is the reason why Velcro's touch screen indicator can't be downloaded?" ? The data line is broken. According to official website of Weilintong Technology Co., Ltd., Weilintong touch screen indicator cannot be downloaded because the data cable is broken. Velcro touch screen is a resistive screen product developed by Velcro company with a resolution of 800×480.