Samsung SPH-A620 pinouts
The connector/pinout information may be applied to the Samsung (show all pinouts) model SPH-A620
Samsung i300, i330, i500, i700 handsfree / headset connector pinout
Samsung SCH-A530, SPH-A620 cell phones cable connector pinout for data/flash cable only
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout