We apply heat to the device to remove the battery cover. We introduce a metal opening tool, we use ultra-thin plastic card to soften the adhesive. Furthermore, we remove the back cover. Furthermore, we release the screws of the middle frame. Furthermore, we are going to remove the middle frame. First, we remove the battery flexed to continue with the disassembly process, remove the screws from the bottom of the device.
Here we have the loudspeaker, we disconnected the flex of the screen. Here we have the motherboard flex cable. With the help of the heat gun, we apply 19 Celsius degrees. During four minutes. It is time to remove the broken screen before glue the new screen.
You must check if the screen is working properly, we remove the plastic protectors, we apply adhesive glue for mobile, B, 7000 or T 7,000, depending on the color of the device. Now it's time to install the new screen, we return with the assembly process. The device is working.
Source : MovilOne Phone Repair