diff --git a/telephony/java/android/telephony/ModemInfo.java b/telephony/java/android/telephony/ModemInfo.java
index 564effe05e384..27a5121a148c6 100644
--- a/telephony/java/android/telephony/ModemInfo.java
+++ b/telephony/java/android/telephony/ModemInfo.java
@@ -32,6 +32,11 @@ public class ModemInfo implements Parcelable {
     public final boolean isVoiceSupported;
     public final boolean isDataSupported;
 
+    // TODO b/121394331: Clean up this class after V1_1.PhoneCapability cleanup.
+    public ModemInfo(int modemId) {
+        this(modemId, 0, true, true);
+    }
+
     public ModemInfo(int modemId, int rat, boolean isVoiceSupported, boolean isDataSupported) {
         this.modemId = modemId;
         this.rat = rat;
diff --git a/telephony/java/com/android/internal/telephony/RILConstants.java b/telephony/java/com/android/internal/telephony/RILConstants.java
index 2ebe87067be36..8e58b02de23da 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -422,6 +422,7 @@ public interface RILConstants {
     int RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA = 203;
     int RIL_REQUEST_SET_PREFERRED_DATA_MODEM = 204;
     int RIL_REQUEST_EMERGENCY_DIAL = 205;
+    int RIL_REQUEST_GET_PHONE_CAPABILITY = 206;
 
     /* Responses begin */
     int RIL_RESPONSE_ACKNOWLEDGEMENT = 800;