 Windows Mobile 6 is powered by Windows CE 5 @.@ 0 ( version 5 @.@ 2 ) and is strongly linked to the then newly introduced Windows Live and Exchange 2007 products . Windows Mobile 6 Standard was first offered on the Orange 's SPV E650 , while Windows Mobile 6 Professional was first offered on the O2 's Xda Terra . Aesthetically , Windows Mobile 6 was meant to be similar in design to the then newly released Windows Vista . Functionally , it works much like Windows Mobile 5 , but with much better stability . 
