diff --git a/src/core/hle/service/aoc/aoc_u.cpp b/src/core/hle/service/aoc/aoc_u.cpp
index 9565f76d41..50264f69e4 100644
--- a/src/core/hle/service/aoc/aoc_u.cpp
+++ b/src/core/hle/service/aoc/aoc_u.cpp
@@ -123,9 +123,14 @@ AOC_U::AOC_U(Core::System& system_)
         {8, &AOC_U::GetAddOnContentListChangedEvent, "GetAddOnContentListChangedEvent"},
         {9, nullptr, "GetAddOnContentLostErrorCode"},
         {10, &AOC_U::GetAddOnContentListChangedEventWithProcessId, "GetAddOnContentListChangedEventWithProcessId"},
+        {11, &AOC_U::NotifyMountAddOnContent, "NotifyMountAddOnContent"},
+        {12, &AOC_U::NotifyUnmountAddOnContent, "NotifyUnmountAddOnContent"},
+        {13, nullptr, "IsAddOnContentMountedForDebug"},
+        {50, &AOC_U::CheckAddOnContentMountStatus, "CheckAddOnContentMountStatus"},
         {100, &AOC_U::CreateEcPurchasedEventManager, "CreateEcPurchasedEventManager"},
         {101, &AOC_U::CreatePermanentEcPurchasedEventManager, "CreatePermanentEcPurchasedEventManager"},
         {110, nullptr, "CreateContentsServiceManager"},
+        {200, nullptr, "SetRequiredAddOnContentsOnContentsAvailabilityTransition"},
     };
     // clang-format on
 
@@ -271,6 +276,27 @@ void AOC_U::GetAddOnContentListChangedEventWithProcessId(Kernel::HLERequestConte
     rb.PushCopyObjects(aoc_change_event->GetReadableEvent());
 }
 
+void AOC_U::NotifyMountAddOnContent(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void AOC_U::NotifyUnmountAddOnContent(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void AOC_U::CheckAddOnContentMountStatus(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void AOC_U::CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AOC, "(STUBBED) called");
 
diff --git a/src/core/hle/service/aoc/aoc_u.h b/src/core/hle/service/aoc/aoc_u.h
index 31d645be88..4b5f7c5f22 100644
--- a/src/core/hle/service/aoc/aoc_u.h
+++ b/src/core/hle/service/aoc/aoc_u.h
@@ -29,6 +29,9 @@ private:
     void PrepareAddOnContent(Kernel::HLERequestContext& ctx);
     void GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx);
     void GetAddOnContentListChangedEventWithProcessId(Kernel::HLERequestContext& ctx);
+    void NotifyMountAddOnContent(Kernel::HLERequestContext& ctx);
+    void NotifyUnmountAddOnContent(Kernel::HLERequestContext& ctx);
+    void CheckAddOnContentMountStatus(Kernel::HLERequestContext& ctx);
     void CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx);
     void CreatePermanentEcPurchasedEventManager(Kernel::HLERequestContext& ctx);