Introduction: Ultimate Ears(us) 200vi Repair Notes
Standard iphone headset cable contain 4 lines, which connect to left, right, mic and ground.
But UE headset have a new design which contain 6 lines.
Actually the pinciple is the same. the shared ground now become indepent. And new color is use.
Here is some notes after i test, hope save your time !
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Please be positive and constructive.