 16 pin cellphone 2 rows w/antenna left special connector at the mobile phone | | Pin
| Name
| Dir
| Description |
| 16 | GND | --- | Ground |
| 15 | TX_Audio |  | ? |
| 14 | AGND | --- | Audio_Ground |
| 13 | HF_ON (L=ON) |  | L=H/F ON |
| 12 | AOP_Sense |  | Data Adaptor Select |
| 11 | Serial_Up |  | Rx UART up (9600,33.8kbps) |
| 10 | Serial_Down |  | Tx UART down |
| 9 | External_Power |  | POWER FOR CHARGING |
| 8 | Ground | | |
| 7 | RX_Audio |  | |
| 6 | Radio_Mute |  | L=MUTE |
| 5 | HF_Sense |  | L=H/F MODE |
| 4 | Reserved | | L=FLASH WRITE ENABLE |
| 3 | Ignition |  | H=ON |
| 2 | Logic_Power |  | H=HANDSET ON |
| 1 | PAON |  | Power Amplifier Control Signal |
pins 3,4 must be shorted to flash | Source:www.pinouts.ru