Instead of a full OS upgrade that might brick the device, many users find success with:

Deslice la barra inferior ( Swipe to Wipe ) para confirmar el borrado. Paso 4: Instalación de Android 6.0 y GApps

es la mejor vía para devolverle la vida a este dispositivo y saltarse las restricciones de aplicaciones incompatibles como YouTube o Netflix.

You will often find guides for or installing a "custom recovery" (like TWRP) on Canaima tablets. It's crucial to understand what these can and cannot do.