Windows Mobile 6.1
Windows Mobile 6.1 is an version of Windows Mobile operating system, released on April 1, 2008. It is a minor upgrade to the Windows Mobile 6.0 platform and a redesigned Home screen featuring horizontal tiles that expand on clicking to display more information. This was not supported in the Professional editions. Windows Mobile 6.1 has ended of support on January 8, 2013, after Microsoft discontinued Windows Mobile.