diff --git a/libctru/include/3ds/FS.h b/libctru/include/3ds/FS.h
index 5cf9945..d26920f 100644
--- a/libctru/include/3ds/FS.h
+++ b/libctru/include/3ds/FS.h
@@ -139,6 +139,8 @@ Result FSUSER_CloseArchive(Handle* handle, FS_archive* archive);
 Result FSUSER_CreateDirectory(Handle* handle, FS_archive archive, FS_path dirLowPath);
 Result FSUSER_DeleteFile(Handle *handle, FS_archive archive, FS_path fileLowPath);
 Result FSUSER_DeleteDirectory(Handle *handle, FS_archive archive, FS_path dirLowPath);
+Result FSUSER_IsSdmcDetected(Handle *handle);
+Result FSUSER_IsSdmcWritable(Handle *handle);
 
 Result FSFILE_Close(Handle handle);
 Result FSFILE_Read(Handle handle, u32 *bytesRead, u64 offset, void *buffer, u32 size);
diff --git a/libctru/source/services/fs.c b/libctru/source/services/fs.c
index cdd2f31..4216e85 100644
--- a/libctru/source/services/fs.c
+++ b/libctru/source/services/fs.c
@@ -1,8 +1,5 @@
 #include <string.h>
-#include <3ds/types.h>
-#include <3ds/FS.h>
-#include <3ds/srv.h>
-#include <3ds/svc.h>
+#include <3ds.h>
 
 /*! @internal
  *
@@ -609,6 +606,82 @@ FSUSER_CloseArchive(Handle     *handle,
 	return cmdbuf[1];
 }
 
+/*! Check if SD card is detected
+ *
+ *  @param[in] handle fs:USER handle
+ *
+ *  @returns error
+ *
+ *  @internal
+ *
+ *  #### Request
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code [0x08170000]
+ *
+ *  #### Response
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code
+ *  1          | Result code
+ */
+Result
+FSUSER_IsSdmcDetected(Handle *handle)
+{
+	if(!handle)
+		handle = &fsuHandle;
+
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = 0x08170000;
+
+	Result ret = 0;
+	if((ret = svcSendSyncRequest(*handle)))
+		return ret;
+
+	return cmdbuf[1];
+}
+
+/*! Check if SD card is writable
+ *
+ *  @param[in] handle fs:USER handle
+ *
+ *  @returns error
+ *
+ *  @internal
+ *
+ *  #### Request
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code [0x08180000]
+ *
+ *  #### Response
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code
+ *  1          | Result code
+ */
+Result
+FSUSER_IsSdmcWritable(Handle *handle)
+{
+	if(!handle)
+		handle = &fsuHandle;
+
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = 0x08180000;
+
+	Result ret = 0;
+	if((ret = svcSendSyncRequest(*handle)))
+		return ret;
+
+	return cmdbuf[1];
+}
+
 /*! Close an open file
  *
  *  @param[in] handle Open file handle