samsung SPH-N240 pinouts
The connector/pinout information may be applied to the samsung (show all pinouts) model SPH-N240
Samsung i300, i330, i500, i700 handsfree / headset connector pinout
Samsung SPH-N240, N400, A460 cell phones cable connector pinout for data/flash cable only
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout