Cell phone or digital TV interference produces an annoying sound, technically known as a radio wave interference. This happens when the phone is used near gadgets like desk phones, computers, TVs, radios, music players and other devices utilising speakers. This problem is more apparent in GSM phones because of the inherent design issue in their audio circuitry. Although relocating the phone away from these gadgets can reduce or completely avoid the dreaded sound, this means that the phone cannot be used for its actual purpose of texting and calling; however, this can be remedied with a few simple steps.
- Skill level:
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Things you need
- One piece of aluminium foil (at least about 10 inches by 10 inches)
- Cell phone
Cut out a piece of aluminium foil with a size that can have your phone completely wrapped up by it. As a benchmark size, you may cut nine inches by nine inches of aluminium foil. This may actually vary depending on the size of your phone.
Place the phone on the middle of the cut foil.
Fold the foil to wrap up the phone completely. You may generally wrap it according to your own preference, whether folding the foil horizontally first, then vertically, or folding the sides, then the top and bottom parts of the foil. Technically, what you are doing is actually shielding the antenna, which can prevent the phone from receiving or sending calls, or at the least significantly reduce its signal strength to avoid the annoying interference sound. The idea is that the phone can find it more difficult to connect to the cell tower or base station, and so it will use more battery power to look for signal, which generally results in a weaker signal than what it's supposed to have.
Tips and warnings
- Other than using a material wrapped around the cell phone to avoid interference, the best thing to do to avoid the annoying bleeping sound is to keep the phone away from any device that actually causes such interference.
- Although the interference sound is generally annoying, sometimes it can be beneficial, as it allows you to predict that you will either receive a call or text message every time you hear the pattern sound about two seconds before actually receiving the call or text.
- If using an aluminium foil or relocating to another area is not a good option, another thing you can do is to put the phone in "airplane mode." However, this wouldn't allow you to receive any text or call, since this function completely disables the phone's signal.
- Wrapping up the phone with enough foil around it may be sufficient enough to completely block all signals to your phone, which causes the phone to be good as being off or in "aeroplane mode."
- Turning the phone off is a similar option as "aeroplane mode," but sometimes the latter is preferable, since there are some phones that can still transmit signals even when off, especially if they are used for localisation (GPS-enabled).
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