[Question]EKT043B development board

negut

Hi i ordered a EKT043B (with wifi) development board.Unfortunatly after i receive it , this board do not work.I turn arround it in different position suspecting some welded point , in a finally the screen start lighting.But at the smallest movement it do not work again.Is this board tested befor vending , or just make full of people ?

Dai2816130749

Hello, this has been tested before delivery. What you said is that the screen does not light up or there is no communication.