What’s new in the Windows 10 Mobile Insider Preview Build 15215


Recently, Microsoft released a new insider preview build for the mobile devices. The latest build is 15215 and you can download it now on your insider enabled Windows 10 mobile devices. If you are planning to update to this build, please go through the change log of this new build. Read the change log below:

Changes, improvements, and fixes for Mobile

  • We fixed an issue where the Call audio did not move to speaker after removing the headset on some phones.
  • We have improved power and performance for apps, such as Fitbit, for pair, connect, sync and notifications.
  • We fixed an issue where notifications would not be mirrored to the user’s PC and Cortana’s cross-device settings would not persist.

Known issues for Mobile

  • The copyright date is incorrect under Settings > System > About. It shows as 2016 when it should be 2017. Thanks to the Windows Insiders that reported this!
  • In some cases, the WeChat app may crash on launch.