diff --git a/libctru/include/3ds/services/boss.h b/libctru/include/3ds/services/boss.h
index 0985780..6b179c4 100644
--- a/libctru/include/3ds/services/boss.h
+++ b/libctru/include/3ds/services/boss.h
@@ -73,13 +73,30 @@ Result bossRegisterTask(const char *taskID, u8 unk0, u8 unk1);
 Result bossSendProperty(u16 PropertyID, const void* buf, u32 size);
 
 /**
- * @brief ?
+ * @brief Deletes the content file for the specified NsDataId.
+ * @param NsDataId NsDataId
+ */
+Result bossDeleteNsData(u32 NsDataId);
+
+/**
+ * @brief Reads data from the content for the specified NsDataId.
+ * @param NsDataId NsDataId
+ * @param offset Offset in the content.
+ * @param buffer Output buffer.
+ * @param size Output buffer size.
+ * @param transfer_total Optional output actual read size, can be NULL.
+ * @param unk_out Optional unknown output, can be NULL.
+ */
+Result bossReadNsData(u32 NsDataId, u64 offset, void* buffer, u32 size, u32 *transfer_total, u32 *unk_out);
+
+/**
+ * @brief Starts a task soon after running this command.
  * @param taskID BOSS taskID.
  */
 Result bossStartTaskImmediate(const char *taskID);
 
 /**
- * @brief ?
+ * @brief Similar to bossStartTaskImmediate?
  * @param taskID BOSS taskID.
  */
 Result bossStartBgImmediate(const char *taskID);
diff --git a/libctru/source/services/boss.c b/libctru/source/services/boss.c
index 44ab296..d5098b4 100644
--- a/libctru/source/services/boss.c
+++ b/libctru/source/services/boss.c
@@ -195,6 +195,43 @@ Result bossGetTaskState(const char *taskID, s8 inval, u8 *status, u32 *out1, u8
 	return ret;
 }
 
+Result bossDeleteNsData(u32 NsDataId)
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x26,1,0); // 0x260040
+	cmdbuf[1] = NsDataId;
+
+	if(R_FAILED(ret = svcSendSyncRequest(bossHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+
+Result bossReadNsData(u32 NsDataId, u64 offset, void* buffer, u32 size, u32 *transfer_total, u32 *unk_out)
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x28,4,2); // 0x280102
+	cmdbuf[1] = NsDataId;
+	cmdbuf[2] = (u32) offset;
+	cmdbuf[3] = (u32) (offset >> 32);
+	cmdbuf[4] = size;
+	cmdbuf[5] = IPC_Desc_Buffer(size, IPC_BUFFER_W);
+	cmdbuf[6] = (u32)buffer;
+
+	if(R_FAILED(ret = svcSendSyncRequest(bossHandle)))return ret;
+
+	if(R_SUCCEEDED(ret))
+	{
+		if(transfer_total)*transfer_total = cmdbuf[2];
+		if(unk_out)*unk_out = cmdbuf[3];
+	}
+
+	return (Result)cmdbuf[1];
+}
+
 Result bossStartBgImmediate(const char *taskID)
 {
 	Result ret = 0;