I just met someone last night, she convened me that we can make free calls thro whatsapp, and there is an update lets you use that new feature, i did accept the link and i did install for that app. then she took over control my galaxy note 2, it's like i lost the touch, i can't write anything, coz i can't access the keypad anymore ! i see apps opening ! and i see like someone browsing my photos ! i did reboot, but nothing ! she/he changed skype ! FB. ! Yahoo! msn ! passwords even was sending to my whatsapp contacts messages ! all of my friends and colleagues are complaining about pics and spams from my side, but i sent nothing !!!! the thing is i can't do like restore factory settings ! any help !