diff --git a/api/current.txt b/api/current.txt
index 25741b3e79e6c..b9cc43ded5b36 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -37629,6 +37629,7 @@ package android.telephony {
     method public int getCallState();
     method public android.telephony.CellLocation getCellLocation();
     method public int getDataActivity();
+    method public boolean getDataEnabled();
     method public int getDataNetworkType();
     method public int getDataState();
     method public java.lang.String getDeviceId();
@@ -37675,6 +37676,7 @@ package android.telephony {
     method public java.lang.String sendEnvelopeWithStatus(java.lang.String);
     method public void sendUssdRequest(java.lang.String, android.telephony.TelephonyManager.OnReceiveUssdResponseCallback, android.os.Handler);
     method public void sendUssdRequest(java.lang.String, int, android.telephony.TelephonyManager.OnReceiveUssdResponseCallback, android.os.Handler);
+    method public void setDataEnabled(boolean);
     method public boolean setLine1NumberForDisplay(java.lang.String, java.lang.String);
     method public boolean setOperatorBrandOverride(java.lang.String);
     method public boolean setPreferredNetworkTypeToGlobal();
diff --git a/api/test-current.txt b/api/test-current.txt
index 4a54733c4f741..02372ebccaed2 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -37719,6 +37719,7 @@ package android.telephony {
     method public int getCallState();
     method public android.telephony.CellLocation getCellLocation();
     method public int getDataActivity();
+    method public boolean getDataEnabled();
     method public int getDataNetworkType();
     method public int getDataState();
     method public java.lang.String getDeviceId();
@@ -37765,6 +37766,7 @@ package android.telephony {
     method public java.lang.String sendEnvelopeWithStatus(java.lang.String);
     method public void sendUssdRequest(java.lang.String, android.telephony.TelephonyManager.OnReceiveUssdResponseCallback, android.os.Handler);
     method public void sendUssdRequest(java.lang.String, int, android.telephony.TelephonyManager.OnReceiveUssdResponseCallback, android.os.Handler);
+    method public void setDataEnabled(boolean);
     method public boolean setLine1NumberForDisplay(java.lang.String, java.lang.String);
     method public boolean setOperatorBrandOverride(java.lang.String);
     method public boolean setPreferredNetworkTypeToGlobal();
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 20dd012b07e19..a79e8ceaf14ad 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -4850,10 +4850,19 @@ public class TelephonyManager {
         return false;
     }
 
-    /** @hide */
-    @SystemApi
+    /**
+     * Turns mobile data on or off.
+     *
+     * <p>Requires Permission:
+     *     {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE} or that the
+     *     calling app has carrier privileges.
+     *
+     * @param enable Whether to enable mobile data.
+     *
+     * @see #hasCarrierPrivileges
+     */
     public void setDataEnabled(boolean enable) {
-        setDataEnabled(SubscriptionManager.getDefaultDataSubscriptionId(), enable);
+        setDataEnabled(getSubId(), enable);
     }
 
     /** @hide */
@@ -4869,10 +4878,20 @@ public class TelephonyManager {
         }
     }
 
-    /** @hide */
-    @SystemApi
+    /**
+     * Returns whether mobile data is enabled or not.
+     *
+     * <p>Requires Permission:
+     *     {@link android.Manifest.permission#ACCESS_NETWORK_STATE ACCESS_NETWORK_STATE},
+     *     {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}, or that the
+     *     calling app has carrier privileges.
+     *
+     * @return true if mobile data is enabled.
+     *
+     * @see #hasCarrierPrivileges
+     */
     public boolean getDataEnabled() {
-        return getDataEnabled(SubscriptionManager.getDefaultDataSubscriptionId());
+        return getDataEnabled(getSubId());
     }
 
     /** @hide */