: Plug in the power cord and long-press the power button until the upgrade progress bar appears.
: The V2.0 update enhances the tablet's ability to handle multiple apps simultaneously, leveraging the octa-core CPU more efficiently to reduce lag during web browsing or video streaming. kt20-y-multi-v2.0 update
KT20-Y-MULTI-V2.0 appears to be a specific firmware or hardware revision for smartwatch motherboards : Plug in the power cord and long-press