Samsung SCH-U490 Trance pinouts
Universal Apple-compatible CTIA Headset/Earphone 3.5mm Jack (LRGM) 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.