@Ahmad Elkasrawy Hi! Welcome to Samsung Community!
As we primarily operate using English here, we have put a translated version of your post below, to help you get support for this-
A solution to the problem of connecting the S8 plus tablet, it shows a message
Connected device needs an external power supply
And what is the solution?'
If you would like support in a different language, please advise where you are based so we can point you in the right direction.
