hey girls try this one. This works If ur using nokia phones. using X-Plore go to the system folder of c: or e:. When u open the system folder u wil see a sub folder named Midlets. When u open this folder again u'l see some sub folders ( which are .Jar files installed to ur phone). In this folders there wil be a file named RMS.DB. Open this file using hex viewer. Then u'l see at the right of ur screen there wil be some letters. Nearly at the end of it u'l see the username and pasword of the last person who logged in .