He cracked it open and relocated the headphone jack to a more convenient location. As you can see, there’s a ton of room inside once the MDF base which holds the speakers and some sounding boxes ...

If your headphone jack is not working, you should look inside to see how dirty it is. A flashlight might come in handy for this. The next step is to try to clean it and hope that solves the issue.

The vent was out, replaced with a carefully modified headphone jack. The next step was convincing ... [Scotty] work to fit all these parts inside an iPhone case. The design moved from a breadboard ...