diff --git a/nx/include/switch/runtime/devices/fs_dev.h b/nx/include/switch/runtime/devices/fs_dev.h
index 7aff1308..8b9041c0 100644
--- a/nx/include/switch/runtime/devices/fs_dev.h
+++ b/nx/include/switch/runtime/devices/fs_dev.h
@@ -30,15 +30,22 @@ NX_CONSTEXPR FsDirectoryEntry* fsdevDirGetEntries(fsdev_dir_t *dir)
 /// Initializes and mounts the sdmc device if accessible.
 Result fsdevMountSdmc(void);
 
-/// Mounts the specified save data.
+/// Mounts the specified SaveData.
 Result fsdevMountSaveData(const char *name, u64 application_id, AccountUid uid);
 
+/// Mounts the specified BcatSaveData.
+Result fsdevMountBcatSaveData(const char *name, u64 application_id);
+
 /// Mounts the specified DeviceSaveData.
 Result fsdevMountDeviceSaveData(const char *name, u64 application_id);
 
-/// Mounts the specified system save data.
+/// Mounts the specified SystemSaveData.
 Result fsdevMountSystemSaveData(const char *name, FsSaveDataSpaceId save_data_space_id, u64 system_save_data_id, AccountUid uid);
 
+/// Mounts the specified SystemBcatSaveData.
+/// Only available on [4.0.0+].
+Result fsdevMountSystemBcatSaveData(const char *name, u64 system_save_data_id);
+
 /// Mounts the input fs with the specified device name. fsdev will handle closing the fs when required, including when fsdevMountDevice() fails.
 /// Returns -1 when any errors occur.
 /// Input device name string shouldn't exceed 31 characters, and shouldn't have a trailing colon.
diff --git a/nx/include/switch/services/fs.h b/nx/include/switch/services/fs.h
index 99871a22..49cf1199 100644
--- a/nx/include/switch/services/fs.h
+++ b/nx/include/switch/services/fs.h
@@ -371,14 +371,21 @@ Result fsCreate_SystemSaveData(FsSaveDataSpaceId save_data_space_id, u64 system_
 /// See \ref FsSaveDataAttribute for application_id and uid.
 Result fsOpen_SaveData(FsFileSystem* out, u64 application_id, AccountUid uid);
 
+/// Wrapper for fsOpenSaveDataFileSystem, for opening BcatSaveData.
+Result fsOpen_BcatSaveData(FsFileSystem* out, u64 application_id);
+
 /// Wrapper for fsOpenSaveDataFileSystem, for opening DeviceSaveData.
 /// See \ref FsSaveDataAttribute for application_id.
 Result fsOpen_DeviceSaveData(FsFileSystem* out, u64 application_id);
 
-/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId.
+/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId, for opening SystemSaveData.
 /// WARNING: You can brick when writing to SystemSaveData, if the data is corrupted etc.
 Result fsOpen_SystemSaveData(FsFileSystem* out, FsSaveDataSpaceId save_data_space_id, u64 system_save_data_id, AccountUid uid);
 
+/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId, for opening SystemBcatSaveData.
+/// Only available on [4.0.0+].
+Result fsOpen_SystemBcatSaveData(FsFileSystem* out, u64 system_save_data_id);
+
 // IFileSystem
 Result fsFsCreateFile(FsFileSystem* fs, const char* path, s64 size, u32 option);
 Result fsFsDeleteFile(FsFileSystem* fs, const char* path);
diff --git a/nx/source/runtime/devices/fs_dev.c b/nx/source/runtime/devices/fs_dev.c
index a9ef1bf1..1db2bd6a 100644
--- a/nx/source/runtime/devices/fs_dev.c
+++ b/nx/source/runtime/devices/fs_dev.c
@@ -465,6 +465,19 @@ Result fsdevMountSaveData(const char *name, u64 application_id, AccountUid uid)
   return rc;
 }
 
+Result fsdevMountBcatSaveData(const char *name, u64 application_id)
+{
+  FsFileSystem fs;
+  Result rc = fsOpen_BcatSaveData(&fs, application_id);
+  if(R_SUCCEEDED(rc))
+  {
+    int ret = fsdevMountDevice(name, fs);
+    if(ret==-1)
+      rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
+  }
+  return rc;
+}
+
 Result fsdevMountDeviceSaveData(const char *name, u64 application_id)
 {
   FsFileSystem fs;
@@ -491,6 +504,19 @@ Result fsdevMountSystemSaveData(const char *name, FsSaveDataSpaceId save_data_sp
   return rc;
 }
 
+Result fsdevMountSystemBcatSaveData(const char *name, u64 system_save_data_id)
+{
+  FsFileSystem fs;
+  Result rc = fsOpen_SystemBcatSaveData(&fs, system_save_data_id);
+  if(R_SUCCEEDED(rc))
+  {
+    int ret = fsdevMountDevice(name, fs);
+    if(ret==-1)
+      rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
+  }
+  return rc;
+}
+
 void __libnx_init_cwd(void)
 {
   if(envIsNso() || __system_argc==0 || __system_argv[0] == NULL)
diff --git a/nx/source/services/fs.c b/nx/source/services/fs.c
index 5adc51e4..5d84a189 100644
--- a/nx/source/services/fs.c
+++ b/nx/source/services/fs.c
@@ -498,6 +498,16 @@ Result fsOpen_SaveData(FsFileSystem* out, u64 application_id, AccountUid uid) {
     return _fsOpen_SaveDataFs(out, &attr);
 }
 
+Result fsOpen_BcatSaveData(FsFileSystem* out, u64 application_id) {
+    FsSaveDataAttribute attr;
+
+    memset(&attr, 0, sizeof(attr));
+    attr.application_id = application_id;
+    attr.save_data_type = FsSaveDataType_Bcat;
+
+    return _fsOpen_SaveDataFs(out, &attr);
+}
+
 Result fsOpen_DeviceSaveData(FsFileSystem* out, u64 application_id) {
     FsSaveDataAttribute attr;
 
@@ -519,6 +529,19 @@ Result fsOpen_SystemSaveData(FsFileSystem* out, FsSaveDataSpaceId save_data_spac
     return fsOpenSaveDataFileSystemBySystemSaveDataId(out, save_data_space_id, &attr);
 }
 
+Result fsOpen_SystemBcatSaveData(FsFileSystem* out, u64 system_save_data_id) {
+    if (hosversionBefore(4,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    FsSaveDataAttribute attr;
+
+    memset(&attr, 0, sizeof(attr));
+    attr.system_save_data_id = system_save_data_id;
+    attr.save_data_type = FsSaveDataType_SystemBcat;
+
+    return fsOpenSaveDataFileSystemBySystemSaveDataId(out, FsSaveDataSpaceId_System, &attr);
+}
+
 //-----------------------------------------------------------------------------
 // IFileSystem
 //-----------------------------------------------------------------------------