As always I am tinkering with my Android Phone devices for something new and fun to play with. Tonight I came across the following code: *#*#4636#*#* on the Galaxy S4 that takes me into a testing mode. Everything from DNS, Network, Wireless Radios and I can even toggle my carrier modes …

This is just one of many not so secret codes; I am sure there are apps to find more. For now this is one I find useful. Feel free to email or hit me up on the social networks if you know of more.