i downloaded an app in the app world. its called player for youtube. and well, its working regards the search, but when i press on play there's an error "There was an error playing the video, please ensure you have a data plan and network access" then i press on trouble shooting, i click on test youtube website, it loads up, i press on test video it works and plays in the browser, i click on tesst wap browser it works aswell. my friends have 8520 and its working without touching any settings. what do you think is the problem.