diff --git a/include/menu.h b/include/menu.h
index f159d3d..f1a3ce9 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -24,7 +24,7 @@ struct menuEntry{
 static const menuEntry menu[]={	{"e-shop spoof     ",	"Patches nim for E-Shop access       ", SETTING},
 								{"region patch     ",	"Patches the home menu to show out of\nregion games and nim to ignore out of\nregion Updates", SETTING},
 								{"no auto download ",	"Patches nim to stop automatic update\ndownload\n(Might be unstable)", SETTING},
-								{"serial patch",		"Patches the serial to allow E-Shop  \nacces after region change\n(not implemented)", PLACEHOLDER},
+								{"serial patch     ",	"Patches the serial to allow E-Shop  \nacces after region change\n(not implemented)", PLACEHOLDER},
 								{"save",				"Save current selection for later use", SAVE},
 								{"exit",				"Exit without applying patches       ", EXIT}
 							};
diff --git a/include/patches.h b/include/patches.h
index 8ca45f7..695fa3d 100644
--- a/include/patches.h
+++ b/include/patches.h
@@ -2,14 +2,14 @@
 
 #include <3ds.h>
 
-int PatchPid();
+/*int PatchPid();
 int UnpatchPid();
 void ReinitSrv();
-void PatchSrvAccess();
+void PatchSrvAccess();*/
 int patchNimEshop();
 int patchNimAutoUpdate();
 int patchRegionFree();
 int patchMenu();
 int patchNs();
 //int patchDlp();
-//int changeSerial();
\ No newline at end of file
+int changeSerial();
\ No newline at end of file
diff --git a/source/main.cpp b/source/main.cpp
index dda61f3..1ca6029 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -21,7 +21,7 @@ static const string settingsFileName="settings.cfg";
 
 bool applyPatches(bool patchlist[]){
   SaveVersionConstants();
-  PatchSrvAccess();
+  //PatchSrvAccess();
   gputDrawString("srv patched", (gpuGetViewportWidth() - gputGetStringWidth("srv patched", 8)) / 2, 130, 8, 8, 0 ,0 ,0);
 
   if(patchlist[ESHOPSPOOF]==true)
@@ -44,6 +44,14 @@ bool applyPatches(bool patchlist[]){
       gputDrawString("patch applied!", (gpuGetViewportWidth() - gputGetStringWidth("patch applied!", 8)) / 2 + 50, 70, 8, 8, 0 ,0 ,0);
     }
   }
+  
+  //will crash
+  /*if(patchlist[SERIALCHANGE]==true)
+  {
+    if(!KernelBackdoor(changeSerial)){
+      gputDrawString("patch applied!", (gpuGetViewportWidth() - gputGetStringWidth("patch applied!", 8)) / 2 + 50, 70, 8, 8, 0 ,0 ,0);
+    }
+  }*/
 
   HB_FlushInvalidateCache(); // Just to be sure!
 
diff --git a/source/patches.cpp b/source/patches.cpp
index 3f353d7..a3bd063 100644
--- a/source/patches.cpp
+++ b/source/patches.cpp
@@ -9,7 +9,7 @@
 #include "kobjects.h"
 
 //-----------------------------------------------------------------------------
-
+/*
 u32 self_pid = 0;
 
 int PatchPid()
@@ -46,7 +46,7 @@ void PatchSrvAccess()
     // Cleanup; won't take effect until srv is reinitialized
     KernelBackdoor(UnpatchPid);
 }
-
+*/
 //-----------------------------------------------------------------------------
 
 int findAndPatchCode( const char* titleId, short titleIdSize,  const u32 startAddress, const u32 area,  unsigned char originalcode[], const char patchcode[],u32 patchcodeSize)
@@ -185,7 +185,7 @@ int patchNs()
     return 0;
 }
 /*
-Todo:
+Todo: find offsets
 int patchDlp()
 {
     // Set generell informations for patching
@@ -203,31 +203,23 @@ int patchDlp()
 
 /*
 Todo:
-//doesnt work atm(crashes)
+//doesnt work atm(crashes)*/
 int changeSerial()
 {
     // Target title id
     //change console Serial
-    static const char * title_id = "cfg";
-    static const u32 patch_offset = 0x0fefffd5;
+    static const char * titleIdCfg = "cfg";
+    static const u32 startAddressCfg = 0x0fefffd5;
     
-    static const char * title_id2 = "act";
-    static const u32 patch_offset2 = 0x0003E74C;
+    static const char * titleIdAct = "act";                           
+    static const u32 startAddressAct = 0x0003E74C;
 
-    static const char serial[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+    //todo read from file
+    static unsigned char orgSerial[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+    static char serial[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
     
-    KCodeSet* code_set = FindTitleCodeSet(title_id,3);
-    if (code_set == nullptr)
-        return 1;
-
-     KCodeSet* code_set2 = FindTitleCodeSet(title_id2,3);
-    if (code_set2 == nullptr)
-        return 1;
-
-    void * destination = (u64*)FindCodeOffsetKAddr(code_set, patch_offset);
-    void * destination2 = (u64*)FindCodeOffsetKAddr(code_set2, patch_offset2);
-    memcpy(destination, serial, sizeof(serial));
-    memcpy(destination2, serial, sizeof(serial));
+    findAndReplace(titleIdCfg, 3, startAddressCfg, 0x00000010, 1, orgSerial, sizeof(orgSerial), serial, sizeof(serial));
+    findAndReplace(titleIdAct, 3, startAddressAct, 0x00000030, 1, orgSerial, sizeof(orgSerial), serial, sizeof(serial));
 
     return 0;
-}*/
+}