diff --git a/play-services-api/src/main/aidl/com/google/android/gms/checkin/internal/ICheckinService.aidl b/play-services-api/src/main/aidl/com/google/android/gms/checkin/internal/ICheckinService.aidl
index 6ac61289..973de92f 100644
--- a/play-services-api/src/main/aidl/com/google/android/gms/checkin/internal/ICheckinService.aidl
+++ b/play-services-api/src/main/aidl/com/google/android/gms/checkin/internal/ICheckinService.aidl
@@ -2,4 +2,6 @@ package com.google.android.gms.checkin.internal;
 
 interface ICheckinService {
     String getDeviceDataVersionInfo();
+    long getLastCheckinSuccessTime();
+    String getLastSimOperator();
 }
diff --git a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
index 9db1ca5d..deb520fe 100644
--- a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
+++ b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
@@ -59,6 +59,16 @@ public class CheckinService extends IntentService {
         public String getDeviceDataVersionInfo() throws RemoteException {
             return LastCheckinInfo.read(CheckinService.this).getDeviceDataVersionInfo();
         }
+
+        @Override
+        public long getLastCheckinSuccessTime() throws RemoteException {
+            return LastCheckinInfo.read(CheckinService.this).getLastCheckin();
+        }
+
+        @Override
+        public String getLastSimOperator() throws RemoteException {
+            return null;
+        }
     };
 
     public CheckinService() {