OnePlus has started rolling out a new update to its
OnePlus 3 and OnePlus 3T smartphones. Arriving
as OxygenOS 4.0.1, it's a Nougat-based update that
brings along several changes, including
workarounds to the Play Store downloads problemIf
you're not able to download apps from Google Play,
OnePlus is suggesting several workarounds,
including following Google’s troubleshooting steps,
turning on Battery Saving Mode and resetting Play
Store app preferences, or force stopping/
uninstalling these apps: Truecaller, AVG Antivirus,
and PayTm.


sources - http://www.ballowap.com.ng/2017/01/oneplus-3-and-3t-getting-new-oxygenos.html?m=1