| Pin | Signal | Description |
| 1 | RADIO_ANT | Radio Antenna |
| 2 | GND | USB GND |
| 3 | EARMIC_PHandsfree Mi | |
| 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 |
| 11 | TV_OUT | Composite Video Out |
| 12 | RXD | Serial RXD |
| 13,14 | VBAT | Phone inner battery + |
| 15 | IF_CON_SENSE | Adaptor Connect Sense |
| 16 | USB D+ | USB Data +. Connect to PC USB pin 3 in USB data cable |
| 17 | USB D- | USB Data -. Connect to PC USB pin 2 in USB data cable |
| 18 | USB V+ 5V | USB Power. Connect to PC USB pin 1 in USB data cable |
| 19,20 | V_EXT_CHARGE | External charger + |