Ubook did not work

I bought from USA. 6 moths ago about 1.5 month ago did not opened. In my country there is no technical service. That why I found a comp service. They opened and said there is cgarging problem. Then I connected to Chuwi service than offered to by new board. Waiting about 1 month and some money they send me the different ( not suitable board). What will I do? I send the photos and waiting for the respond.