Samsung SCH-R350 Freeform pinouts
The connector/pinout information may be applied to the Samsung (show all pinouts) model SCH-R350 Freeform
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
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout