SALIO UNA NUEVA ACTUALIZACION DE JELLY BEAN LA ESTOY PROBANDO ES ESTA:
Current version update:
This is the first release of stable version of Android 4.1.
1. Fix the Bug to install some apps.
2. Change hdmi icon and boot logo.
3. Fix some Bugs.
10.1" C93 (1024MB+8GB) Android4.1 2012-11-22_H6_1f
http://www.zenithink.com/Eproducts_C93.php?download