How to access your phone if the touchscreen doesn't work but the screen is still visible. If your screen is smashed and you can no longer use the touchscreen on your device, there is a way you can still access things such as pictures or messages using a USB mouse. You'll need a micro USB to female USB cable adapter to make this work. You can buy these at most electrical retailers. 1Plug the male end of the mouse's USB cable into the female end of the adapter. 2Plug the micr