Navigate to > For Developers (on Windows 10 Mobile) or ensure your WP8.1 device has an active developer unlock via tools like Lumia Interop Tools . Turn on Developer Mode and enable Device Portal . Step 2: Connect and Deploy via PC Connect your smartphone to your PC using the USB cable.
To understand "UC Browser XAP," we must first understand the XAP file format. A XAP file is a software package format used to distribute and install applications on Microsoft’s Windows Phone operating system (versions 7, 8, 8.1, and 10). It's also the default format for Microsoft Silverlight applications. Essentially, XAP was the "APK" for Windows Phone. uc browser xap