ShopClues.com — I kall n4 tablet

I had purchase i kall N4 calling tablet in[protected] but it was not working properly
display was shown IKALL and function was not start
only ikall icon was sign on screen nothing forward
before this i had purchase from shopclues 1, salora phontab 2, geone p5 3, geone p5 mini every product was best but in IKALL tablet i feel i cheated
what to do