What does this street sign in Sweden mean?

Now, not being familiar with street signs from Sweden, the trouble is, it is hard to know if this means no walking while using your smartphone or go ahead guys, you can use smartphone while walking along their nice clean streets! Naturally, I would prefer to think of it as being later, but something tells me I could be wrong here. If you like this image then check out more on the Picrail website.

What does this street sign in Sweden mean?