Home Windows 10 Update Windows 10 Insider Preview (RS5) Build 17730 Released (Your Phone app is...

Windows 10 Insider Preview (RS5) Build 17730 Released (Your Phone app is now LIVE!)

Microsoft rolling out Windows 10 build 17730 for devices enrolled in the Fast ring of the Windows Insider Program. It’s a minor update Where company started implementing "Your Phone app" Which previously introduced on 17728 along with this build delivers several bug fixes, as the company is currently working in finalizing the update for its September or October rollout.


Microsoft today is rolling out Windows 10 Redstone 5 preview build 17730 to Insiders in the Fast ring. This build continues to enhance the Your Phone app experience (Previously Microsoft introduced on Redstone 5 build 17728) with Android photo synching and iOS “Continue on your PC” being enabled. There are no major new features introduced this build, but it does include plenty of fixes and improvements such as problems impacting Windows Defender Application Guard, Remote Desktop, and Hyper-V. In addition, this RS5 Build 17730 fixes a bug using the volume slider in certain apps and addresses a minor issue displaying the update history for drivers.

Windows 10 Redstone 5 Preview Build 17730

Windows 10 build 17730, the update is available immediately through the Fast ring for PCs. This preview build will download and install automatically on your device, but you can always force the update from Settings > Update & security > Windows Update and clicking the Check for updates button.

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Windows 10 Insider Preview (RS5) Build 17730
Windows 10 Insider Preview (RS5) Build 17730

Your Phone app is now LIVE! (RS5 Build 17730)

Microsoft introduced the Your Phone app in its RS5 build 17728 three days ago, but with today’s release,(RS5 build 17730) the company is officially announcing Your phone app available for testing. “Android phone users, you can finally stop emailing yourself photos. Drag and drop that photo from your phone onto your PC. Copy, edit, or ink on that photo, right from your PC. With Your Phone app, live today for Windows Insiders, you get instant access to your Android’s most recent photos on your PC,”  Also Microsoft mentions Android 7.0+ are compatible with Your Phone app.

Windows 10 build 17728 new Your Phone App
Windows 10 build 17728 new Your Phone App

iOS users will be able to link their phone to PC and surf the web on the phone. They will be able to send the webpage to the computer and pick it up from where they left off. Apart from surfing the web Microsoft hasn’t added anything more for iOS users due to limitations of Apple. But we expect to see more features added in the coming days or weeks.

A Faster Safer Internet with HTTP/2 and CUBIC

The Internet is part of our daily lives both at work and at home, in the enterprise and in the cloud.  We are committed to making your Internet experience faster and safer, and in this blog, we discuss how the features in Windows Server 2019 and Windows 10 brings those goals to reality.

  • Windows 10 Microsoft Edge clients will take advantage of connection coalescing for HTTP/2 as supported in Windows Server 2019
  • Improved security on Microsoft Edge browsers by guaranteeing HTTP/2 preferred cipher suites
  • Improved performance on Windows 10 thanks to Cubic, the new default TCP congestion provider

What’s fixed and broken in Windows 10 build 17730

In addition to Your Phone app being live, here is a look at other changes and improvements that are included in today’s build:

  • Fixed an issue impacting WDAG, Remote Desktop and Hyper-V. Remote Desktop Client (mstsc.exe) users should no longer see an error dialog complaining about low virtual memory when a connection is being established. And users can use enhanced sessions in Virtual Machine Connection (vmconnect.exe) again.
  • For the time being Microsoft removes the Block Suspicious Behaviors feature added in previous flights from the latest build. Where company promised to work on addressing some of the things/bugs submitted on user feedback.
  • Certain apps (like the Twitter) stopped rendering content when navigating in previous flights. This issue has now been fixed in the latest insider build.
  • The latest flight also fixed an issue where expanding the Driver Updates dropdown in View Update History in Settings didn’t list anything (even when there were items to list) in recent builds.

Known issues

  • Clicking a link to launch one app from another app may not work for some Insiders. We’re investigating.
  • We’re progressing in our work on adding dark theme in File Explorer and the Common File Dialog, but we still have a few things left to do. You may see some unexpectedly light colors in these surfaces when in dark mode and/or dark on dark text.
  • When you upgrade to this build you’ll find that the taskbar flyouts (network, volume, etc) no longer have an acrylic background.
  • When you use the Ease of Access Make Text bigger setting, you might see text clipping issues, or find that text is not increasing in size everywhere.
  • When you set up Microsoft Edge as your kiosk app and configure the start/new tab page URL from assigned access Settings, Microsoft Edge may not get launched with the configured URL. The fix for this issue should be included in the next flight.
  • You may still see the notification count icon overlapping with the extension icon in the Microsoft Edge toolbar when an extension has unread notifications.
  • On Windows 10 in S Mode, launching Office in the Store may fail to launch with an error about a .dll not being designed to run on Windows. The error message is that a .dll “is either not designed to run on Windows or it contains an error. Try installing the program again…” Some people have been able to work around this by uninstalling and reinstalling Office from the Store.
  • When using Narrator Scan mode you may experience multiple stops for a single control. An example of this is if you have an image that is also a link. This is something we are actively working on.
  • When using Narrator Scan mode Shift + Selection commands in Microsoft Edge, the text does not get selected properly.
  • We’re investigating a potential increase in Start reliability and performance issues in this build.
  • After setting up a Windows Mixed Reality headset for the first time on this build with motion controllers, the controllers may need to be re-paired a second time before appearing in the headset.
  • When using a Windows Mixed Reality immersive app, saying “Flashlight on,” may fail to activate the flashlight feature even though the status appears as active on the Start menu.

Known issues for Developers

  • If you install any of the recent builds from the Fast ring and switch to the Slow ring – optional content such as enabling developer mode will fail. You will have to remain in the Fast ring to add/install/enable optional content. This is because optional content will only install on builds approved for specific rings.

Microsoft is listing the complete set of improvements, fixes, and known issues for Windows 10 Insider Preview build 17730 at the Windows Blog.