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18 pin unspecified cell phone proprietary connector layout
18 pin unspecified cell phone proprietary connector
Pin Pin
1,2   connected in cable?
3 audio pair with pin 15
4 V+ charge 4,5,6 joined (checked)
9 RX Rx may be at pin 10
14 TX Tx may be at pin 15
15 audio pair with pin3
16,17,18 GND 16,17,18 connected (checked)

The charging pins are correct and checked, with a self made charger

According to 3 reports in our database (1 positive and 0 negative) the Siemens ST55 cell phone pinout should be correct.

Is this pinout
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