Samsung D520 pinouts
The connector/pinout information may be applied to the Samsung (show all pinouts) model D520
Samsung 20 pin usb data cable and headset pinout
Samsung D800, D900, E900, F200, G400, AEP435 20-pin connector headset pinout also for J600i, J610, J618, J700, J708, L250, L258, L288, L760, L770,
L786, M110 Solid, M150, M200, M310, M510, M520, M610, M618, M3200 Beat S, M3510 Beat B, M8800 Pixon,
Omnia Pro B7320, Omnia Pro B7330, P260, P300, P310, P520 Armani, Qbowl, S3100, S3500, S3600, S3650 Corby,
S5200 Slide, S5230 Star, S7330, S9110, Shark 2 S5550, Tobi, Tocco Lite, T409, T429, T539, T639, T729, T739,
U100, U470, U700, U800 Soul b, U900 Soul, X820, Z400, Z510, Z540, Z560, Z720
Samsung D820, T809 cable schematic pinout
Samsung D500 and others headset pinout should be compatible with Samsung B500, C160, C240, C250, D600, D720, D730, E300, E310, E340, E350, E360, E370, E530, E610, E620, E630, E720, E730, E760, E770, E800, E810, E820, E850, E860, E880, F880, i300, i320, i750, P207, P730, P900, S341i, S342i, S400i, S410i, X210, X540, X550, X650, X660, X670, X680, X700, X800, X810, Z105, Z107, Z130, Z140, Z220, Z300, Z310, Z320i, Z500, ZV10, ZV30 and ZV50.