One more information. I close all the connections. I open facebook via microB. It connects to the wi-fi automatically. wowie.. facebook page is opened. I open a new microb window and try TMO on that.. bussssssss. It cannot open the page. when i try refreshing the facebook window,it succeeds. wonder. I tried refreshing the TMO again. failure. Next I tried refreshing the facebook page and the TMO page the simultaneously. wow.. it worked out.. great. but what is the problem here? i don't find out.