http://www.acer.com.cn/acer/service.do?LanguageISOCtxParam=zh&miu10einu24.current.attN2B2F2EEF=3770&sp=page15e&ctx2.c2att1=115&miu10ekcond13.attN2B2F2EEF=3770&CountryISOCtxParam=CN&ctx1.att21k=1&CRC=3968518535
http://support.apple.com/zh_CN/downloads/
http://www.samsung.com/cn/support/download/supportDownloadMain.do?pid=cn_gnb_support_download_100623
http://www.hasee.com/cn/Qutong_Index.html?qutongindex=3&id=11&prodid=10000001&language=Chinese