Recently I purchase this datawing ubislate 7DC tablet from a online store at that it working very good and no problem of hanging and other but after six months ago it creates a problem to me it doesnot working well and didnot give me that battery backup after that I call to costomer he refuse to help and said this tablet is out of warrenty and we don’t help.you at that time I don’t use this tablet worlds wrost tablet it waste of your money and time so avoid to purchase this kind of tablet and use only branded one