Student-Contributed Wiki

Student-Contributed Wiki

An awesome student from our education program made this wiki. It is not managed by iFixit staff.

You have trouble with the audio on your tablet due to material stuck in your audio jack or because your audio jack is loose

If your headphone jack has accumulated some dirt or various debris, it may affect the functionality of the device. Insert a Q-tip carefully in the headphone jack in order to clean it. Or, if you have an air can, simply use that to blow out anything that has accumulated inside the headphone jack. Our guide can be found here:

Supersonic Matrix SC-91MID Headphone Jack Cleaning

Your headphone jack may have loosened from continued use. Test audio through speakers and then through headphones. If the audio is exclusively distorted through headphones, the headphone jack or headphones themselves could be faulty. Try different headphones if headphones are faulty or make sure the audio jack is fully inserted in the tablet.

Your back cover needs to be replaced because of damages that affect the image of the tablet or its usability by interfering with the buttons

If your back cover has received physical damage that affects the functionality of the device, you may want to replace your back cover. Wedge a plastic opening tool between the back cover of the device and the front panel. You will hear a snapping noise whenever it is separated from the body of the device. Slide the tool down the device to loosen the back cover from the rest of the tablet. Lift the back cover off of the body of the tablet. Our guide can be found here:

Supersonic Matrix SC-91MID Back Cover Replacement

You need to replace your tablet’s internal speakers due to them not performing well or at all

If your speakers have become faulty, you may need replacing. Remove the back cover by following the steps in the removing back cover guide. Use tweezers to remove the speakers from their compartments. Our Guide can be found here:

Supersonic Matrix SC-91MID Speakers Replacement

Your tablet’s battery is faulty or under performing due to continued use

Your battery may have become faulty due to continued use. Remove back cover by following the steps in the removing back cover guide. The battery is secured by tape and glue so peel back the tape and use a spudger tool to peel go through the adhesive. Desolder the two battery wires and remove the battery. Our guide can be found here:

Supersonic Matrix SC-91MID Battery Replacement

Your tablet’s screen isn't working or has cracked, interfering with the usability of the device

If your tablet's screen has been cracked or has lost its functionality for any reason, you may need to replace it. Remove back cover by following the steps in the removing back cover guide. Make sure you remove any equipment attached to the screen including the motherboard. Separate the screen from the rest of the tablet by gently pulling on it. Our Guide can be found here:

Supersonic Matrix SC-91MID Screen Replacement

If your device is unresponsive and you are certain that your screen and battery are functional, your motherboard may need replaced.

If your device is unresponsive and you are certain that your screen and battery are fully functional, your motherboard may need replaced. This must be done very carefully, since there are several intricate components connecting the motherboard to the elements of the device. Our detailed guide can be found here:

Supersonic Matrix SC-91MID Motherboard Replacement

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