Both the devices are receiving the Oxygen OS 10.3.8 update. The update has brought MemberShip version 1.2.0.2 to the devices. It has also updated the GMS package to 2020.09 The update brings January 2021 security patch, improved call performance, and some general fixes and improvements. You can check for the update manually by heading to Settings -> System -> System update -> Check for update.
OnePlus 6T and Nord N100 OxygenOS 10.3.8 – Changelog
System updates
Updated MemberShip to 1.2.0.2 Updated Android Security Patch to 2021.01 Updated GMS package to 2020.09
OnePlus Store
An intuitive and convenient way to manage your OnePlus account, get easy-to-access support, discover exciting members-only benefits, and shop for OnePlus products. (Please note that it can be uninstalled)
Downloads
OnePlus 6 (Recovery) OnePlus 6T (Recovery)
Steps to Install OxygenOS 10.3.8 Update
Now, if in case, the update notification hasn’t arrived yet on your handset, then you should manually update the latest firmware by following the steps below. Local Upgrade Method: Keep visiting the blog for more info.