Huawei Mediapad M2 8.0 M2-801L Russian variant has been upgraded to marshmallow, according to the official changelog following are features of this update
This update changes the current system version to EMUI 4.0 to adapt to Android 6.0. Compared to earlier versions, Android 6.0 has improved security, stability, and management performance. EMUI 4.0 has improved the UI and settings based on earlier versions.
Multiple view modes
Provided small, medium, and large view modes
Added the auto-redialing feature
Optimized the recent task management, which now displays recent tasks in card form
Optimized the settings screen in a Simple home screen style
Optimized the system, which ensures smooth device operation
Optimized the storage solution, which improves device responsiveness
Provided more secure rights management
Optimized the power-consumption firewall, which monitors background apps and detects power-intensive apps.