Panasonic G400-600 cell phones

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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