Samsung i300, i330, i500, i700 handsfree / headset connector pinout
MRLG 4-pole 2.5mm headset connector pinout
Samsung Electronics Co. is a South Korean multinational electronics company headquartered in Suwon, South Korea. Samsung has long been a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, chips, flash memory and hard drive devices. It is the world's largest manufacturer of mobile phones and smartphones.The company is also a major vendor of tablet computers, particularly Android-powered.