You should uninstall the UMU MSfull application from the Nokia Belle device before upgrading to Nokia Belle Refresh or Nokia Belle FP2.
If you have upgraded via Nokia Suite, the UMU MS full application will reset phone when you launch it. We recommend uninstalling the application.
The UMU MS full application has been removed from Nokia Store. The problem in the application is under the investigation of a third party. The application should not be reinstalled until issues have been fixed by the third party.
In case you have downloaded and paid the UMU MS full application from Nokia Store, contact Nokia Care to receive a refund.