diff --git a/apps/SdkSetup/src/com/android/sdksetup/DefaultActivity.java b/apps/SdkSetup/src/com/android/sdksetup/DefaultActivity.java
index 6dd69f9b0..365ecfed2 100644
--- a/apps/SdkSetup/src/com/android/sdksetup/DefaultActivity.java
+++ b/apps/SdkSetup/src/com/android/sdksetup/DefaultActivity.java
@@ -87,6 +87,10 @@ public class DefaultActivity extends Activity {
             // Disable offload wifi tethering
             Settings.Global.putInt(getContentResolver(), Settings.Global.TETHER_OFFLOAD_DISABLED, 1);
 
+            // b/193418404
+            // the following blocks, TODO: find out why and fix it. disable this for now.
+            // TelephonyManager mTelephony = getApplicationContext().getSystemService(TelephonyManager.class);
+            // mTelephony.setPreferredNetworkTypeBitmask(TelephonyManager.NETWORK_TYPE_BITMASK_NR);
             TelephonyManager mTelephony = getApplicationContext().getSystemService(TelephonyManager.class);
             mTelephony.setPreferredNetworkTypeBitmask(TelephonyManager.NETWORK_TYPE_BITMASK_NR);
             if ("freeform".equals(displaySettingsName)) {