- 按照 UA 识别『不准确』 - 按照分辨率区分『不准确』 - 按照物理尺寸『无法获得 DPI，可以结合 CSS 但不准确』 - 按照有无 3G通信模块『无法获得』 ## 参考 - [Android Phone和Pad UA区别](http://blog.csdn.net/androidyue/article/details/9219823) - [How do detect Android Tablets in general. Useragent?](http://stackoverflow.com/questions/5341637/how-do-detect-android-tablets-in-general-useragent) - http://googlewebmastercentral.blogspot.com/2011/03/mo-better-to-also-detect-mobile-user.html - [Android 区分PAD和PHONE](http://blog.csdn.net/ffyyy123/article/details/10335317) - [How can I detect Android phones and Android tablets differently using the user agent header?](http://stackoverflow.com/questions/3952452/how-can-i-detect-android-phones-and-android-tablets-differently-using-the-user-a)
