The way the Ratchet & Clank wiki capitalizes words has changed; therefore, this article should be checked, and, if necessary, capitalization should be fixed.
You could only get the Renegade armor by ordering and beating Ratchet & Clank: Going Mobile on your cell-phone then by entering the name of your multiplayer character on an end-game screen. After that a screen would appear with a code that only worked on the character with the name you entered.
Behind the scenes
A Renegade is one who deserts their group or causes another to leave.