Electronic noise when listening FM radio

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I use FM Radio everyday (you can see from my signature that I am developing applications for FM radio)

Recently my raphael plays FM radio with electronic noise when:

1. press any key on the wired remote control. It has electronic noise for a while.

2. listen for a few minutes then shake the cable. It has noise forever until I unplug/plug earphone cable again, then click on that "Retry" button. It won't have problem if shake the cable with in a few minutes.

The second case is annoying me because it randomly plays noise when I walk on the street.


I guess frequently plug/unplug usb cable for development damaged USB port or remote control. I don't know if this is a phone problem or remote control problem. I have impression that accessories such as remote control are not included in the warranty. It is terrible if it is a remote control problem. either way I will have to stop my FM radio development for some time in order to get it repaired.


Does your phone have similar issue? do you know cause?
Thanks