You can use thumbnail or Guitar Pick to open it. Remove the covering strip and release screen flex cable. Undo 10 screws with PH#000 Screwdriver. Loosen here. Heat up the Screen. Use the second rank Hair Dryer to heat it up for 5 mins. And focus on the top. Use plastic card to make a gap. Be patient and careful. If you find it’s hard to cut the sticker, heat up again. Cut the plastic card into two pieces. Because it would be easier to cut sticker in the center. Cut the sticker here. Now take out the screen flex. Remove the screen. It’s adhesive underneath. Turn around and remove the rest part. Tear off the protective films. Put it right on the position. Make it adhere to the supporting frame. Peel off these two films. Put back the screen. Mind the flex. Make it adhere to the frame. Put back Motherboard. Tighten up the screw here. Connect the Screen flex and Home Button flex. Put back the Battery. Click here to power on the phone. Enter to the dial number page. Click each button and it would change the color. Click twice to quit the test. Power off. Take out the Battery. Put back the Back Frame. Put back Battery. Put back covering strip. Tighten up 10 screws with PH#000 Screwdriver.