I use the headphone jack multiple times a day, connecting my torch 9800 to the car stereo. Over the past year, the connection has gotten flaky, eventually past the point of frustration.
It seems like a loose connection (when I fiddle with the cable, I sometimes get right and left audio), and I assumed it was the connection of the jack to the PCB inside the phone. I was anxious to get my soldering iron hot, and void my (nonexistent) warranty.
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