| Pin | Signal | Description |
|---|---|---|
| 1 | RADIO_ANT | Radio Antenna |
| 3 | EARMIC_P | Handsfree Mic |
| 4 | EARMIC_N | |
| 5 | EARSPK_R + | Stereo Headphone |
| 6 | EARSPK_COM | |
| 7 | EARSPK_L + | |
| 8 | SEND_END | Remote Send/End |
| 9 | n_JACK_INT | GND for Headphone Enable |
| 10 | EAR_CHECK | 180kOhm to GND for HandsFree |
Headset pinout by /0lympy (not tested!)
| Pin | Signal | Description |
| 3 | EARMIC_P | Headphone mic |
| 4 | EARMIC_N | |
| 5 | EARSPK_R | Headphone speakers |
| 6 | EARSPK_COM | |
| 7 | EARSPK_L | |
| 13,14 | VBAT | Phone inner battery + |
| 19,20 | V_EXT_CHARGE | External charger + |
Should be compatible with D520 / D800 / D820 / D900 / E780 / E900 / P300 / S501i / Z370 / Z400 (v) / Z510 / Z540 / 2560 / ZV40 and some others
For D980, you should take the pin numbers from the right to the left (first right pin is 1>>> last left pin (20) )


