Simple mobile iphone 4s gsm data problem

[aslangum]

So I just got my iphone 4s.My internet was working great untill yesterday.I tried to fix the mms by the whole ibackup fix for mms override plist but ever since I did that my internet doesnt work anymore I even restored to factory settings with no lock.unfortunately i dont have a backup from when it was working.does anyone know how to fix this? on my apn I have simple and nothing else for data settings


I have a factory unlocked iphone 4s with simple mobile

[rich hathaway]

3g data must be off and data roaming on

edit:
oh duuhhh,u said 4s

[aslangum]

There is no botton as 3g data.there is a cellular data which is on and roaming which is on.do you want me to turn cellular data off?