"radio-off" scenario was sporadic for my 8320 on T-Mobile. It is really annoying when it turns off and you do not even know about it. In fact switch from "EDGE" to "edge" was more frequent.
__________________ Regards|Raja BlackBerry FAQ Nokia 2100 > Nokia 6100 > Samsung t319 > Nokia 5300 > Blackberry 8320 > Blackberry 8900 > iPhone 3GS > iPhone 4 |