diff --git a/libctru/include/3ds/services/ampxi.h b/libctru/include/3ds/services/ampxi.h
index 43f8741..03b6b18 100644
--- a/libctru/include/3ds/services/ampxi.h
+++ b/libctru/include/3ds/services/ampxi.h
@@ -23,3 +23,13 @@ void ampxiExit(void);
  * @param operation https://3dbrew.org/wiki/AM:ImportDSiWare
  */
 Result ampxiWriteTWLSavedata(u64 titleid, u8 *buffer, u32 size, u32 image_filepos, u8 section_type, u8 operation);
+
+/**
+ * @brief Finalizes title installation. https://3dbrew.org/wiki/AMPXI:InstallTitlesFinish
+ * @param mediaType Mediatype of the titles to finalize.
+ * @param db Which title database to use.
+ * @param size Size of the savedata buffer.
+ * @param titlecount Total titles.
+ * @param tidlist List of titleIDs.
+ */
+Result ampxiInstallTitlesFinish(FS_MediaType mediaType, u8 db, u32 titlecount, u64 *tidlist);
diff --git a/libctru/source/services/ampxi.c b/libctru/source/services/ampxi.c
index 5465755..9af78f8 100644
--- a/libctru/source/services/ampxi.c
+++ b/libctru/source/services/ampxi.c
@@ -4,6 +4,7 @@
 #include <3ds/svc.h>
 #include <3ds/srv.h>
 #include <3ds/synchronization.h>
+#include <3ds/services/fs.h>
 #include <3ds/services/ampxi.h>
 #include <3ds/ipc.h>
 
@@ -52,3 +53,22 @@ Result ampxiWriteTWLSavedata(u64 titleid, u8 *buffer, u32 size, u32 image_filepo
 
 	return (Result)cmdbuf[1];
 }
+
+Result ampxiInstallTitlesFinish(FS_MediaType mediaType, u8 db, u32 titlecount, u64 *tidlist)
+{
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = IPC_MakeHeader(0x2A,3,2); // 0x2A00C2
+	cmdbuf[1] = mediaType;
+	cmdbuf[2] = titlecount;
+	cmdbuf[3] = db;
+
+	cmdbuf[4] = IPC_Desc_PXIBuffer(titlecount*8, 0, 0);
+	cmdbuf[5] = (u32)tidlist;
+
+	if(R_FAILED(ret = svcSendSyncRequest(ampxiHandle)))return ret;
+
+	return (Result)cmdbuf[1];
+}
+