The AKASO KingPad A90 is a 9" tablet with a dual core processor. It has 8GB of internal storage, runs Google Android 4.2 Jelly Bean, has a front and back camera, a rear speaker, and support for HDMI output. This device was released October 31, 2013.
It is possible that you accidentally changed settings in a way that has prevented you from connecting to a network. Reset to factory default settings and try to connect again. If this still doesn’t work, see the Troubleshooting Guide.