Announcement: June Cumulative Update for Windows 10 Mobile (brings phone to 10586.420)

Hey all,

We have started rolling out the June cumulative update (10.0.10586.420) for Windows 10 Mobile today. 

Key improvements in this release include:

  • Reliability, performance and stability improvements.
  • Improvements to Cortana, including a fix for a problem that sometimes resulted in a crash when performing a search, and corrections to inaccurate times after Daylight Savings Time (DST) on meeting cards and reminders.
  • Fix for a problem that could result in unexpected battery drain while syncing mail using IMAP. 
  • Improvements to the Maps app, including better stability, improved accuracy, and reduced latency with driving directions.  
  • Improved reliability of syncing text messages from the phone to the cloud. 
  • Reduced amount of time it takes some phones to completely power off after “Goodbye” disappears. 
  • Fix for a problem that caused some phones unable to re-add a primary Microsoft account without resetting after upgrading from Windows Phone 8.1. 
  • Fix for a problem that caused some phones unable to install keyboard and languages without resetting after upgrading from Windows Phone 8.1. 
  • Reduced the number of days a phone can go without restarting to receive an update from 14 days to 7 days.
  • Fix for a problem that caused the phone to stop ringing from an incoming call, if interrupted by an SMS. 
  • Fix for a problem that caused Project My Screen to stop working on some phones. 

To read more about the new features included in Windows 10 Mobile, see What's New in Windows 10 Mobile.

Windows 10 is updating continuously, so make sure you follow all the update notifications that appear on your phone. To check for updates, you can also tap Settings > Update & security > Phone update > Check for updates. For detailed update instructions, see.

Please ensure to continue providing feedback on your experiences with Windows 10 Mobile by using the Windows Feedback app located in the App List, and by posting discussions and questions in this Answers Community. Your feedback continues to help us identify and prioritize future product improvements!


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Last updated April 13, 2020 Views 12,052 Applies to: