Before this step you must remove the SIM card and the microSD, and also all the Phillips screws.
With the help of an opening tool, exert a few levers to separate the intermediate casing.
Step 4 Motherboard
Remove the protector from the front camera and the proximity sensor, then disconnect the camera and the proximity sensor and remove them, then disconnect all other connectors that are connected to the motherboard.
Step 5
Lift the motherboard as if it were a book, and disconnect the connector from the display.
Step 6 Audio connector
Peel off the chassis audio connector.
Video Tutorial summary
In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.