hi there guys i facing a issue that i did not have before OK i received my phone back from Christmas 2013 it is fully rooted international unlocked and 4.2.2 and on mdc build mf9 as that is what it needed to be unlocked at the time, since i got it it will not connect it says authentication error and will not give me signal for wifi unless im in the same room close to the hub router and ideas pls