So trying to use 3/4g dongle, unable to get it to work . When plugged in it finds it and then after a few mins the router freezes. And you can't do anything with it :( unplug it and it all starts work

Good after noon all . now im not sure ful if i missed some thing when im trying to set up router :) so im after some help and i have more than likly just missed somethig :) ok i have a block of ip fro