Connector pinout: BlackBerry Mobile Phone headset Curve Storm BoldR=right spkr L=left spkr M=microphone G=ground 1 or 1.5k resistor from mic to ground push button (NO) from mic to ground Pins order --- 1 2 3 4 Pearl&Curve - M L R G Curve ------ M L R G Bold ---------L R G M Storm 9530 --- L R M G TIP - Left Speaker Ring 1 - Right Speaker Ring 2 - Mic Sleeve - Ground Blackberry 
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