After downgrading to NM 0.7 (from network manager PPA) and removing modemmanager, it's working now. So I think, the problem comes from modemmanager it self.
-- ZTE AC8700 modem doesn't work https://bugs.launchpad.net/bugs/461096 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
