https://qooah.com/2011/12/13/meizu-mx-%e8%a6%81%e6%9b%b4%e6%96%b0-firmware-%e6%89%8d%e5%8f%af%e7%94%a8%e7%9b%a1-1-4ghz-%e6%a5%b5%e9%80%9f/