Take out the Card Tray. Heat up the edge. Focus on the bottom. Use plastic or poker card to open the Back Cover. Insert the card to gap and remove the Back Cover. Release the Battery flex cable and Power Button flex cable. Rear Camera flex cable and Remove Rear Camera. Release the screw here. And remove the shield. Release the Front Camera flex cable and remove it. Release the Headphone Jack flex cable. Undo 5 screws. Loosen the plastic bracket, and remove it. Release the Charging Port flex cable and LCD flex cable. Take out the Microphone PCB Board. Remove the Motherboard. Lift the Loudspeaker up. There’s sticker underneath. Cut the sticker on the edge of charging port. And remove it. Tear off the protect film. Adhere it to the board. And install it. Put back Loudspeaker. Put back Motherboard. Connect Charging Port flex and LCD Screen flex cable. Put back the bracket. Tighten up 5 screws. Connect Battery, Power Button and Headphone Jack flex cable. Check if the new Charging Port work normally. Put back Rear Camera and Front Camera. Put back the shield and tighten up the screw. Put on the Back Cover Sticker. Make the sticker adhere to the Back Cover. Remove the protective film. Install the Back Cover. Make it match well to the phone. Put back the SIM Card Tray.