Connections 218Enable Downloading for WebApplicationsImportant! Before you can download a web application youmust insert an SD into the phone and enable theUnknown sources feature (enables downloading).For more information, refer to “Installing themicroSD Memory Card” on page 12. Also, see“Mounting the SD Card” on page 531. From the Home screen, press and then tapSettings ➔ Security ➔ Unknown sources check box.2. Tap OK to allow install of non-Play Store applications.Tap again to remove the check mark and disable theinstallation of non-market applications.Warning! Not all web applications are safe to download. Inorder to protect your phone and data, use Play Storeto install web applications. For more information,refer to “Downloading a New Google Application” onpage 196.PC ConnectionsYou can connect your device to a PC using an optional PCdata cable using various USB connection modes.Media device (MTP): allows you to transfer media files inWindows, or using an Android file transfer on a Mac.Camera (PTP): allows you to transfer photos using the camerasoftware, and transfer any files onto a PC that does notsupport MTP.Kies air: allows you to sync your Windows PC wirelessly withyour phone provided they are both on the same Wi-Finetwork.