Microsoft today released a new cumulative update Build 15254.124 to everyone on Fall Creators update (Build 15254.124). Cumulative update KB4056342 brings this build and is available to install.

As expected this cumulative update doesn’t bring anything new in terms of changes and features. There are fixes and security updates for drivers. Read the full changelog below.

You can check the update availability by going to Settings–>Update & Security–>Windows update–>Check for updates.

Windows 10 mobile Build 15254.124 (KB4056342) Changelog:

Improvements and Fixes


This update includes quality improvements. No new operating system features are being introduced in this update.

  • This build includes all the improvements from KB4053580.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

Known issues in this update


Microsoft is not currently aware of any issues with this update.

How to get this update


This update will be downloaded and installed automatically from Windows Update.