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I Made it for Microsoft Lumia 640DS
The microphone on the handsfree working, FM radio working
I did it by your instructions. in Figure 1 below replacement of wires under 2 connect these two points. Headphones Nokia WH-102 and has a label HS125 and another set of numbers. At the Microsof Lumia 640 DS hear the call but can not receive a call button. The music I hear but can not change the track. Where did I go wrong?