It have slove the network problem. But first time, we should make the 112 call seting for active the 3G or edge.

How to use the pass express
1.open the phone, go to setting-->general-->network-->close the date roaming, open the cellular data.close 3G.
2.reboot the phone.after unlock the screen .insert the supre sim together with the sim card.
3.when view the welcome message .click accept.
4.Call 112 .and end off .goto open the plane mode, until get the "no sim insert" .close the plane mode.signal will come.
5.goto open the date roaming or 3G. the network will work .
6.everytims .your phone reboot .click the cancel. the phone will find the singal automatic and edge also will work.