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Windows 10 Mobile Build 14393.321 live now for non-insiders & RP Ring. Changelog

We have reports from some of our readers that Windows 10 Mobile Build 14393.321 is now live for non-insiders. Though it is not available for Insiders in Release Preview Ring for now. Do let us know if you have received the update.


Windows 10 Mobile Build 14393.321 is now available for Release Preview Ring as well. We just checked and can confirm its availability for Release Preview Ring.

You can read our hands-on review of the Windows 10 Mobile Build 14393.321 by clicking here.

The changelog for Build 14393.321 includes fixes and improvements for both PC and Mobile.

Windows 10 Mobile Build 14393.321 Changelog:

This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
  • Improved reliability of Bluetooth and storage file system.
  • Addressed issue causing printer drivers to not install correctly after installing security update KB317005.
  • Addressed issue causing sign-in errors if a password is entered incorrectly or a new password doesn’t meet password complexity requirements after installing security update KB3167679.
  • Addressed issue that required users to log out and log back in before using the application they installed using the Windows installer (MSI).
  • Improved support for networks by adding new entries to the Access Point Name (APN) database.
  • Addressed issue that was causing excessive battery drain on Windows 10 Mobile when connected to Wi-Fi.
  • Addressed issue in which setting up both fingerprint and iris recognition sometimes causes the sign-in to fail on Windows 10 Mobile.
  • Addressed issue that was causing high CPU usage on Windows 10 Mobile.
  • Addressed additional issues with multimedia playback, revised daylight saving time, authentication, Internet Explorer 11, and Windows Shell.
  • Security updates to Microsoft Edge, Internet Explorer 11, Windows registry, and diagnostics hub.

Read our full Anniversary update coverage:

Nayan has more than 10 years of experience of covering Technology and innovations. He is a big Nokia fan and Tech disruptions aficionado. He loves to review new cool gadgets and writing about Android, iOS, Gadgets and general Technology stuff. He has been associated with other well-known Tech sites WinCentral and GadgetOx since long. He currently sports a Lumia 950 XL and Nexus 5X. Other interests include listening to Nu-Metal Hits and Kick-Boxing. Write to him at Email: [email protected]
  • Windows 10 Mobile (10.0.14393.321) stuck at 89%.

    Hello All,
    Hope I can get some help here, or pointed in the right direction.
    Recently upgraded my Lumia 730D to Win10 mobile.

    I ran an update check and tried to download and install available update Windows 10 Mobile (10.0.14393.321)”; but this gets stuck at 89%.
    I have 1gb space available on the device memory.

    Appreciate your help.


    Tony ([email protected])

    • …An update…
      Well, I used an external wifi, rather than phone data and I got 100%, and still stuck at 100% for the past 5 hours.

  • Ash

    I have a question. I have a nokia lumia 830, just got the update, but when I hold the back button to see my app history, it doesn’t show the four tabs, only the regular ones. Does this make sense? can somebody help me?

  • M Rankin

    Great build my battery life on 640 seem to be on par with 8.1 Which would be a first timer

  • Manoj

    i have updated, on build 10.0.14393.321

    • infinidim

      I’ve update and it doesn’t fix the WiFi and other problems on the Lumia 930!

      • Manoj

        after using two day, i experience this update increases only performance,still battery draining issue remains same when using Wifi

        • infinidim

          Yes performance is better but the battery drain is still ruubbish

  • Eder

    Not installing on my SP4. Im NOT on Insider.
    Getting an error on windows update

  • M Rankin

    sweet two nice one for mobile