If you want to target Windows Phone 8.1 (Silverlight Application) then you don't need to start from scratch, you will be able to upgrade from your Windows Phone 8 (Silverlight Project) but if you want to target Windows Phone 8.1 (New Universal App API's) then you will have to develop your application from scratch.
Windows Phone 8.1 GDR1 Features & Changes: Latest Preview Build 8.10.14219.341 brings Mobile Data toggle which can be now set in the notification center and If your phone has MicroSD card support First Windows Phone 8.1 update rolling out now | PCWorld 2014-8-4 · The sandboxed Apps Corner is a new feature in the Windows Phone 8.1 Update. Think of it as Kids Corner for business use. Windows Phone 8.1 Update is … Windows Phone 8.1 now available on Windows Phone … 2014-4-14 · Starting today, you can update your personal dev phone(s) to run Windows Phone 8.1 using the Windows Phone Preview for Developers program.Along with the tooling delivered in Visual Studio 2013 Update 2 RC, developers can now get everything they need to start building and testing Windows Phone apps and universal Windows apps.Even better, Windows Phone Store is also starting to accept … Antivirus for Windows 8.1 | Free Download Here | Avast 2016-3-7 · Get your Windows 8.1 PC running smoothly. We’re more than just free antivirus.Avast also protects your Windows 8.1 PC’s performance, using cloud-based processing to secure you without slowing you down. In addition, you can optimize Windows 8.1 with Avast Cleanup, which will adjust settings, clear junk data, and clean out your registry to get your Windows 8.1 PC running as good as …
Apr 14, 2014 · From the guide on http://unleashthephones.com/2014/04/14/how-to-update-to-windows-phone-8-1-preview/ here's how to update to Windows Phone 8.1 Preview. If y'
Windows Phone 8.1 Update 2 | Windows Insider | Windows
2014-8-4 · The sandboxed Apps Corner is a new feature in the Windows Phone 8.1 Update. Think of it as Kids Corner for business use. Windows Phone 8.1 Update is …
Still using Windows Phone 8 or 8.1? No more app updates 2020-7-16 · Some - but not all - Windows Phone 8 and 8.1 devices were capable of being upgraded to Windows 10 Mobile. But now even those devices are on borrowed time; as of 10 December this year, Windows … Windows Phone 8.1 Update 2传闻小结|蓝点网 2014-9-2 · 此外，Windows Phone 8.1 Update 2的传言显示Cortana 将会扩展至更多地区，另外通知中心能够支持直接开关移动数据。这些传言提及的功能多来自Windows Phone UserVoice用户反馈论坛，被证实微软正着手工作的项目上 Windows Phone 8 to 8.1 Update for Huawei Ascend W1 2014-11-1