https://qooah.com/2012/02/15/%e4%be%bf%e5%ae%9c%e4%b9%9f%e6%9c%89%e5%a5%bd%e6%9d%b1%e8%a5%bf%ef%bc%8c%e8%81%af%e7%99%bc%e7%a7%91%e6%8a%80-mediatek-%e7%99%bc%e8%a1%a8-cortex-a9-mt6575-%e4%bd%8e%e5%83%b9%e6%99%b6%e7%89%87/