Samsung C100, C110, P500, P510 cell phones

full pinout. should work also with A300, A388, A400

18 pin Samsung right-to-left numbering cellphone special connector at the mobile phone (keyboard up)

Full C100 pinout :
There are two numbering schemes - with pins counted from left to right and with pins counted from right to left (phone is keypad up).

Pins 1, 14, 15; pins 8,10,11 (counted from right to left) should be shorted in cable.

18 pin Samsung cellphone special connector at the mobile phone (keyboard up)

Source:www.pinouts.ru

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Pin right-to-left numbering	Pin left-to-right numbering	Description
1	18	+VBATT (4.2V) (accumalator voltage)
2	17	RS232_TXD
3	16	RS232_RXD
4	15	Debug_RX
5	14	Debug_TX
6	13	TA_Det
7	12	RS232_CTS
8	11	GND Ground
9	10	RS232_RTS
10	9	Data_Cable_Detection
11	8	GND Ground
12	7	Handsfree speaker (+)
13	6	Handsfree MIC (+)
14	5	VBATT (4.2V)
15	4	RS232_DTR
16	3	DA I_Reset
17	2	DCVOLT (CHG+) charger input
18	1	DCVOLT (CHG+) charger input