void CellularNetwork::Clear() {
  WirelessNetwork::Clear();
  activation_state_ = ACTIVATION_STATE_UNKNOWN;
  roaming_state_ = ROAMING_STATE_UNKNOWN;
  network_technology_ = NETWORK_TECHNOLOGY_UNKNOWN;
  restricted_pool_ = false;
  service_name_.clear();
  operator_name_.clear();
  operator_code_.clear();
  payment_url_.clear();
  meid_.clear();
  imei_.clear();
  imsi_.clear();
  esn_.clear();
  mdn_.clear();
  min_.clear();
  model_id_.clear();
  manufacturer_.clear();
  firmware_revision_.clear();
  hardware_revision_.clear();
  last_update_.clear();
  prl_version_ = 0;
}
