We will start to undo the upper back cover to be able to remove the SIM card and the SD.
Step 2 Back case
Now we will dismantle the back cover. To do this we will introduce an opening tool between it and the frame and going around the contour, unhook the notches that hold it.
We will be careful with the buttons as they will fall out of the case.
Step 3 Microphone
Finally, we desoldered the microphone from the motherboard and removed it.
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.