[LUMIA 800] 3G trouble after install a Custom Rom RainbowMod topic

Hi, I had installed the RainbownMod 2.2 for Lumia 800 this monday, and everything is working perfect except the 3G connection.

I can talk to people over whatsapp at 3G but something going wrong when I try to use Internet Explorer or Market, my phone show me a message saying that it isn't connected to Internet...

I had done a full reset after instal de custom rom