diff --git a/api/system-current.txt b/api/system-current.txt
index 1aa792aada161..6ce444e4bec79 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7663,6 +7663,7 @@ package android.telephony {
   public final class DataSpecificRegistrationInfo implements android.os.Parcelable {
     method public int describeContents();
     method @NonNull public android.telephony.LteVopsSupportInfo getLteVopsSupportInfo();
+    method public boolean isUsingCarrierAggregation();
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.DataSpecificRegistrationInfo> CREATOR;
   }
@@ -7775,6 +7776,7 @@ package android.telephony {
     method @Nullable public android.telephony.CellIdentity getCellIdentity();
     method @Nullable public android.telephony.DataSpecificRegistrationInfo getDataSpecificInfo();
     method public int getDomain();
+    method public int getNrState();
     method public int getRegistrationState();
     method public int getRejectCause();
     method public int getRoamingType();
@@ -8017,6 +8019,7 @@ package android.telephony {
     method @NonNull public java.util.List<android.telephony.NetworkRegistrationInfo> getNetworkRegistrationInfoList();
     method @NonNull public java.util.List<android.telephony.NetworkRegistrationInfo> getNetworkRegistrationInfoListForDomain(int);
     method @NonNull public java.util.List<android.telephony.NetworkRegistrationInfo> getNetworkRegistrationInfoListForTransportType(int);
+    method public int getNrFrequencyRange();
     method @Nullable public String getOperatorAlphaLongRaw();
     method @Nullable public String getOperatorAlphaShortRaw();
     field public static final int ROAMING_TYPE_DOMESTIC = 2; // 0x2
diff --git a/telephony/java/android/telephony/DataSpecificRegistrationInfo.java b/telephony/java/android/telephony/DataSpecificRegistrationInfo.java
index 407ced71a0e79..270eafe642b71 100644
--- a/telephony/java/android/telephony/DataSpecificRegistrationInfo.java
+++ b/telephony/java/android/telephony/DataSpecificRegistrationInfo.java
@@ -203,9 +203,12 @@ public final class DataSpecificRegistrationInfo implements Parcelable {
     }
 
     /**
+     * Get whether network has configured carrier aggregation or not.
+     *
      * @return {@code true} if using carrier aggregation.
      * @hide
      */
+    @SystemApi
     public boolean isUsingCarrierAggregation() {
         return mIsUsingCarrierAggregation;
     }
diff --git a/telephony/java/android/telephony/NetworkRegistrationInfo.java b/telephony/java/android/telephony/NetworkRegistrationInfo.java
index 3e028715fd6d2..bbf746fcf3c48 100644
--- a/telephony/java/android/telephony/NetworkRegistrationInfo.java
+++ b/telephony/java/android/telephony/NetworkRegistrationInfo.java
@@ -323,9 +323,12 @@ public final class NetworkRegistrationInfo implements Parcelable {
     public @Domain int getDomain() { return mDomain; }
 
     /**
+     * Get the 5G NR connection state.
+     *
      * @return the 5G NR connection state.
      * @hide
      */
+    @SystemApi
     public @NRState int getNrState() {
         return mNrState;
     }
diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index 745c3ae39fae0..3fd8990ffc9a0 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -1409,9 +1409,12 @@ public class ServiceState implements Parcelable {
     }
 
     /**
+     * Get the 5G NR frequency range the device is currently registered.
+     *
      * @return the frequency range of 5G NR.
      * @hide
      */
+    @SystemApi
     public @FrequencyRange int getNrFrequencyRange() {
         return mNrFrequencyRange;
     }