Hello all. I'm from pune. i've just got the UMG 1831 . Installed it with a BSNL 2g card (couldnt find a 3g available.) > it installed without any issue but when i try to connect i get an "error 635 : an unknown error has occured " message. Can anyone help me getting this thing to work ??? Is there some sort of step by step guide tht i can refer to ? Pls help ppl ! thanks in advance...: