To open the case, we will use an opening tool between it and the frame to unhook it. This can also be done with your hands or letting it fall to the ground being careful not to break a tile. : P
Then we remove the battery lever.
Step 2 Remove intermediate housing
Remove the six Torx T4 screws that hold the housing and then, prying, release the notches that hold it.
Step 3 Speaker
All that remains is to detach the speaker from the housing.
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.