diff --git a/nx/include/switch/services/fs.h b/nx/include/switch/services/fs.h
index bbf5118f..6061a965 100644
--- a/nx/include/switch/services/fs.h
+++ b/nx/include/switch/services/fs.h
@@ -192,6 +192,12 @@ typedef enum {
     FsGameCardAttribute_Repair     = (1 << 2), ///< Indicates that this gamecard is a repair tool.
 } FsGameCardAttribute;
 
+typedef enum {
+    FsGameCardPartiton_Update = 0,
+    FsGameCardPartiton_Normal = 1,
+    FsGameCardPartiton_Secure = 2,
+} FsGameCardPartiton;
+
 typedef struct {
     u32 value;
 } FsGameCardHandle;
@@ -242,6 +248,7 @@ Result fsCreateSaveDataFileSystemBySystemSaveDataId(const FsSave* save, const Fs
 Result fsDeleteSaveDataFileSystemBySaveDataSpaceId(FsSaveDataSpaceId saveDataSpaceId, u64 saveID);
 
 Result fsIsExFatSupported(bool* out);
+Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handle, FsGameCardPartiton partition);
 
 /// Do not call this directly, see fs_dev.h.
 Result fsMountSdcard(FsFileSystem* out);
diff --git a/nx/source/services/fs.c b/nx/source/services/fs.c
index 206766fc..f520c771 100644
--- a/nx/source/services/fs.c
+++ b/nx/source/services/fs.c
@@ -736,6 +736,46 @@ Result fsIsExFatSupported(bool* out)
     return rc;
 }
 
+Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handle, FsGameCardPartiton partition) {
+    IpcCommand c;
+    ipcInitialize(&c);
+
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 handle;
+        u32 partition;
+    } *raw;
+
+    raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 31;
+    raw->handle = handle->value;
+    raw->partition = partition;
+
+    Result rc = serviceIpcDispatch(&g_fsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        struct {
+            u64 magic;
+            u64 result;
+        } *resp;
+
+        serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
+        resp = r.Raw;
+
+        rc = resp->result;
+
+        if (R_SUCCEEDED(rc)) {
+            serviceCreateSubservice(&out->s, &g_fsSrv, &r, 0);
+        }
+    }
+
+    return rc;
+}
+
 // Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
 Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, u128 userID, u64 ownerId, u64 size, u64 journalSize, u32 flags) {
     FsSave save = {