What are the new features and improvement of Android 5.1 OS

Yesterday, we have reported that some Nexus users in America have received the Android 5.1 OS OTA package. New Android 5.1 OS has included new Wifi identification technology, No Disturb mode, default icon change, and other new functions. Today, people from suverimax.com share its reviews about this Android 5.1 OS, please following links to view the videos and know more detail about the new Android operation system

The link is http://share.vrs.sohu.com/my/v.swf&topBar=1&id=78835188&autoplay=false&from=page