Detect mobile browsers for Generic NetFront 4.1 devices with Handset Detection. Mobile browser detection and mobile website redirection for Generic NetFront 4.1's is simple and easy. See the Generic NetFront 4.1 device capabilities page for more information. Updates to Generic NetFront 4.1 mobile browser user-agents are automatically added to our database. See the tag cloud for specific details on Generic NetFront 4.1 operating system and browser versions.