Samsung Seek SPH-M350 pinouts
The connector/pinout information may be applied to the Samsung model Seek SPH-M350
Universal Apple-compatible CTIA Headset/Earphone 3.5mm Jack (LRGM) pinout for Samsung, HTC Hero, Blackberry and other cell phones with 3.5mm, 4 connection (4 "pin"), headset jack.
Micro-USB mobile phone/smartphone cable connector pinout standard micro-usb cable