The detawind Ubistate tab performance is not really good but its use to a laptop then it is so useful when we connect to its keybord then its looking to a laptop. 2nd think its camera quality is so bad when we open the camera in room then the camera looks black and its internel storage is shown in internet is 4gb but the internet storage is hear 1gb. 3rd think its network performence is not good and and the point is this the tab is 2g. 4th thik its battery is not powerfull its battery is gives backup is only 5-6 hour in normally use when we see vedio in tab then its give backup in only 2 hour