i have a curve 8320, with the 188 OS version, Desktop manager higher version also the usb and modem driver,.. the problem is, while i want to connect it to my DM, it just connect for a while and then DC n connected again for a while and back to DC on and on.. i`m wondering what`s the problem? i already update the netframework and java runtime, but the same problem seems to be appear on and on :( please help me, i cannot reupgrade my curve 8320