Thanks for the reply! I asked them what they did, and they said that they didn't open the cups, they just changed the male 3.5mm end, so drivers should be alright. Also, i took the jack apart and insulated the 3 wires with the electrical tape just to be sure nothing is shorting. They do sound...

I have this exact problem. First my 3.5mm jack died, i lost one side but it worked at the certain angle (although right side was quieter/left was louder). I thought nothing of it and gave them to the repair shop for jack fix. They installed a new jack and it was a poorly done job, so i gave them...