Did it router is it emitting a signal that you are not satisfied with? Then the trick below is for you. You can easily increase its signal deviceusing a beer can. Yes, you read that right.
(Of course let's not forget that the best way to have a strong signal is to connect your router to computer you, wired.)
But before you start the beer, change the position of the router. It is advisable to place it away from walls.
Immediately follow the instructions given below. After that, try the signal again Wi-Fi you.