Applications and Development 115WebOpen the browser to start surfing the web. Thebrowser is fully optimized and comes with advancedfunctionality to enhance the Internet browsing featureon your phone. From the Home screen, tap(Applications) ➔ (Web).For more information, refer to “Web” on page 116.Wi-Fi CallingThis feature allows you to make calls using a Wi-Fiover the T-Mobile network. From the Home screen, tap(Applications) ➔ (Wi-Fi Calling).For more information, refer to “Wi-Fi Calling” onpage 44.Note: After you complete a connection to an active Wi-Finetwork, the Wi-Fi Calling feature will automatically beenabled.YouTubeYouTube is a video sharing website on which userscan upload and share videos, and view them inMPEG-4 format.1. From the Home screen, tap(Applications) ➔ (YouTube).2. When the screen loads you can beginsearching and viewing posted videos.To configure YouTube Settings: Press ➔ Settings and configure thefollowing parameters:• High quality on mobile, when enabled, allows you tostart all videos in high quality mode while you areconnected to a mobile network.• Caption front size allows you to set the font sizeused by on-screen captions. Choose from: Small,Medium, Large, or Extra Large.• Clear search history allows you to clear any previousYouTube searches from appearing within the searchbox.• SafeSearch filtering allows you to configure blocksettings for videos containing restricted content. Thisoption blocks these videos from appearing withinyour search results. Choose from: Don’t filter,Moderate, or Strict blocking.• Help provides answers to most YouTube questions.• Feedback allows you to provide user feedback toYouTube.• Google Mobile Terms of Service• YouTube Terms of Service• Google Mobile Privacy Policies• YouTube Privacy Policies• Application version displays the software version forthe current YouTube application.To watch a high quality video: While playing a video, press ➔ Settings➔ High quality on mobile.