diff --git a/src/com/android/settings/network/telephony/DefaultSubscriptionController.java b/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
index 650890e434e..779802a22ac 100644
--- a/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
+++ b/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
@@ -35,7 +35,6 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.core.BasePreferenceController;
 import com.android.settings.network.SubscriptionUtil;
 import com.android.settings.network.SubscriptionsChangeListener;
 
@@ -47,8 +46,8 @@ import java.util.List;
  * what mobile network subscription is used by default for some service controlled by the
  * SubscriptionManager. This can be used for services such as Calls or SMS.
  */
-public abstract class DefaultSubscriptionController extends BasePreferenceController implements
-        LifecycleObserver, Preference.OnPreferenceChangeListener,
+public abstract class DefaultSubscriptionController extends TelephonyBasePreferenceController
+        implements LifecycleObserver, Preference.OnPreferenceChangeListener,
         SubscriptionsChangeListener.SubscriptionsChangeListenerClient {
     private static final String TAG = "DefaultSubController";
 
@@ -85,7 +84,7 @@ public abstract class DefaultSubscriptionController extends BasePreferenceContro
     protected abstract void setDefaultSubscription(int subscriptionId);
 
     @Override
-    public int getAvailabilityStatus() {
+    public int getAvailabilityStatus(int subId) {
         final List<SubscriptionInfo> subs = SubscriptionUtil.getActiveSubscriptions(mManager);
         if (subs.size() > 1) {
             return AVAILABLE;
diff --git a/src/com/android/settings/network/telephony/DisableSimFooterPreferenceController.java b/src/com/android/settings/network/telephony/DisableSimFooterPreferenceController.java
index f5bcce79f42..d14c8d09e44 100644
--- a/src/com/android/settings/network/telephony/DisableSimFooterPreferenceController.java
+++ b/src/com/android/settings/network/telephony/DisableSimFooterPreferenceController.java
@@ -20,30 +20,37 @@ import android.content.Context;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 
-import com.android.settings.core.BasePreferenceController;
 import com.android.settings.network.SubscriptionUtil;
 
-public class DisableSimFooterPreferenceController extends BasePreferenceController {
-    private int mSubId;
+/**
+ * Shows information about disable a physical SIM.
+ */
+public class DisableSimFooterPreferenceController extends TelephonyBasePreferenceController {
 
+    /**
+     * Constructor
+     */
     public DisableSimFooterPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
-        mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
     }
 
+    /**
+     * re-init for SIM based on given subscription ID.
+     * @param subId is the given subscription ID
+     */
     public void init(int subId) {
         mSubId = subId;
     }
 
     @Override
-    public int getAvailabilityStatus() {
-        if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+    public int getAvailabilityStatus(int subId) {
+        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
             return CONDITIONALLY_UNAVAILABLE;
         }
 
         SubscriptionManager subManager = mContext.getSystemService(SubscriptionManager.class);
         for (SubscriptionInfo info : SubscriptionUtil.getAvailableSubscriptions(mContext)) {
-            if (info.getSubscriptionId() == mSubId) {
+            if (info.getSubscriptionId() == subId) {
                 if (info.isEmbedded() || SubscriptionUtil.showToggleForPhysicalSim(subManager)) {
                     return CONDITIONALLY_UNAVAILABLE;
                 }