In case you have an old router or a weak WiFi signal, you can follow this tutorial where I show you how to boost your WiFi signal using a coke, juice or soda can.
first of all you need an empty coke can or any other soda can, be sure to wash it and clean it . now you should cut around the very bottom of the can using a scissor or any sharp cutter . be careful when you do this process.
After finishing cutting all the buttom of the can , now we are going to repeat the same process but this time we are not going to cut all of the top and we are going to leave about 2 inches of space somewhere in the top of the can.
In the opposite side where we did leave that 2 inches of space in the top of the can I am going to cut in the middle of the can from buttom to top.
Remove the poptop of the can.
Work on it a little bit until it forms a U shape.
Use some glue or anything to stick the can to your router like you see in this picture.
Now everything is done and your WiFi signal will be twice or triple better than before.