Maybe it's just a Placebo effect, but I find that I get a better 4G+ reception when disposing my ARCHER MR-600 vertically. The router uses the beta firmware that allows the manual selection of 4G LTE

I have the router 4G+ MR600, i have tried the original firmware (latest) and the beta one indicated as the first post, however I can't find how to change the Dns. It seems very strange to me that such