can any one please help:con?i have a N70 wish is in offline mode and it can not access my sim-card. i change the profile to General but it did not accept it

Format the phone. That´s the way I solve the same problem on N73 - first firmware version.

please explain your problem in detail

Format your phone using this code :
*#7370#
enter the security code then your phone will restart auto
:)