// add for gemini
  private void endDmConnectivityGemini(int simId) {
    try {
      Log.i(TAG.Connection, "endDmDataConnectivityGemini: simId = " + simId);

      if (mConnMgr != null) {
        MTKConnectivity.stopUsingNetworkFeatureGemini(
            mConnMgr, ConnectivityManager.TYPE_MOBILE, MTKPhone.FEATURE_ENABLE_DM, simId);
      }
    } finally {
      Log.v(TAG.Connection, "stopUsingNetworkFeature end");
    }
  }