I bought xperia x10 last week and since then i've been trying to download some apps and/or games but i never sucseeded. i connected with usb on the pc, i downloaded the sony ericson pc companion i tried to install appbrain on the phone i selected sync on te settings.... But i never managed to sync the phone with the pc so i can install directly from the internet or to download some apps. Can someone pls tell me step by step what i am supposed to do???