diff --git a/libctru/include/3ds/services/cfgu.h b/libctru/include/3ds/services/cfgu.h
index f75cfba..926e005 100644
--- a/libctru/include/3ds/services/cfgu.h
+++ b/libctru/include/3ds/services/cfgu.h
@@ -60,7 +60,7 @@ Result CFGU_GetRegionCanadaUSA(u8* value);
 
 /**
  * @brief Gets the system's model.
- * @param model Pointer to output the model to. (0 = O3DS, 1 = O3DSXL, 2 = N3DS, 3 = 2DS, 4 = N3DSXL)
+ * @param model Pointer to output the model to. (0 = O3DS, 1 = O3DSXL, 2 = N3DS, 3 = 2DS, 4 = N3DSXL, 5 = N2DSXL)
  */
 Result CFGU_GetSystemModel(u8* model);
 
@@ -128,10 +128,45 @@ Result CFG_SetConfigInfoBlk8(u32 size, u32 blkID, u8* inData);
 /**
  * @brief Writes the CFG buffer in memory to the savegame in NAND.
  */
-Result CFG_UpdateConfigNANDSavegame(void);
+Result CFG_UpdateConfigSavegame(void);
 
 /**
  * @brief Gets the system's language.
  * @param language Pointer to write the language to. (see @ref CFG_Language)
  */
 Result CFGU_GetSystemLanguage(u8* language);
+
+/**
+ * @brief Deletes the NAND LocalFriendCodeSeed file, then recreates it using the LocalFriendCodeSeed data stored in memory.
+ */
+Result CFGI_RestoreLocalFriendCodeSeed(void);
+
+/**
+ * @brief Deletes the NAND SecureInfo file, then recreates it using the SecureInfo data stored in memory.
+ */
+Result CFGI_RestoreSecureInfo(void);
+
+/**
+ * @brief Deletes the "config" file stored in the NAND Config_Savegame.
+ */
+Result CFGI_DeleteConfigSavefile(void);
+
+/**
+ * @brief Formats Config_Savegame.
+ */
+Result CFGI_FormatConfig(void);
+
+/**
+ * @brief Clears parental controls
+ */
+Result CFGI_ClearParentalControls(void);
+
+/**
+ * @brief Verifies the RSA signature for the LocalFriendCodeSeed data already stored in memory.
+ */
+Result CFGI_VerifySigLocalFriendCodeSeed(void);
+
+/**
+ * @brief Verifies the RSA signature for the SecureInfo data already stored in memory.
+ */
+Result CFGI_VerifySigSecureInfo(void);
diff --git a/libctru/source/services/cfgu.c b/libctru/source/services/cfgu.c
index 0a657c8..48ea174 100644
--- a/libctru/source/services/cfgu.c
+++ b/libctru/source/services/cfgu.c
@@ -215,7 +215,7 @@ Result CFG_SetConfigInfoBlk8(u32 size, u32 blkID, u8* inData)
 	return (Result)cmdbuf[1];
 }
 
-Result CFG_UpdateConfigNANDSavegame(void)
+Result CFG_UpdateConfigSavegame(void)
 {
 	Result ret = 0;
 	u32 *cmdbuf = getThreadCommandBuffer();
@@ -231,3 +231,87 @@ Result CFGU_GetSystemLanguage(u8* language)
 {
 	return CFGU_GetConfigInfoBlk2(1, 0xA0002, language);
 }
+
+Result CFGI_RestoreLocalFriendCodeSeed(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x80D, 0, 0); // 0x80D0000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_RestoreSecureInfo(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x812,0,0); // 0x8120000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_DeleteConfigSavefile(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x805,0,0); // 0x8050000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_FormatConfig(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x806,0,0); // 0x8060000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_ClearParentalControls(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x40F,0,0); // 0x40F0000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_VerifySigLocalFriendCodeSeed(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x80E,0,0); // 0x80E0000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result CFGI_VerifySigSecureInfo(void) 
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x813,0,0); // 0x8130000
+
+	if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}