Microsoft Internally Testing Windows 10 Mobile Cumulative Update 10586.164


After releasing Windows 10 Mobile cumulative update 10586.122 earlier this week, Microsoft is now working on another cumulative update for Insiders. The upcoming Windows 10 Mobile Preview build 10586.164 is rumored to be released next week.

- Windows 10 Mobile OTA Updates for Windows Phone 8.1 to Begin March 7

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Windows 10 Mobile 10586.164 coming next week

According to several different sources, Microsoft is internally working on Preview build 10586.164. The cumulative update will be shipped to Windows Insiders early next week. However, looking at how the tech giant has been releasing Preview builds for its mobile OS at an increased pace, we might see this build as soon as later tonight. This upcoming cumulative update for Windows 10 Mobile Insiders was first spotted and reported by, who have also shared the above screenshot. Twitter user @tfwboredom, a popular leakster when it comes to Windows 10, also shared the same build earlier this week.