diff --git a/Makefile b/Makefile
index 65b90f8..fca9c8a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
 rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
 
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+include $(DEVKITARM)/3ds_rules
+
 CC := arm-none-eabi-gcc
 AS := arm-none-eabi-as
 LD := arm-none-eabi-ld
diff --git a/injector/source/patcher.c b/injector/source/patcher.c
index b99a914..10c71e5 100644
--- a/injector/source/patcher.c
+++ b/injector/source/patcher.c
@@ -180,6 +180,53 @@ void patchCode(u64 progId, u8 *code, u32 size)
             break;
         }
 
+        case 0x0004013000003202LL: // FRIENDS
+        {
+            static const u8 fpdverPattern[] = {
+                0xE0, 0x1E, 0xFF, 0x2F, 0xE1, 0x01, 0x01, 0x01, 0x01
+            };
+            
+            u8 *fdpver = memsearch(code, fpdverPattern, size, sizeof(fpdverPattern));
+            
+            if(fdpver == NULL) break;
+            else fdpver += sizeof(fpdverPattern);
+            
+            if(*fdpver < 5) *fdpver = 5;
+
+            break;
+        }
+        
+        case 0x0004003000008A02LL: // ErrDisp
+        {
+            static const u8 unitinfoCheckPattern1[] = { 
+                0x14, 0x00, 0xD0, 0xE5, 0xDB, 0x9A, 0x9F, 0xED 
+            };
+            
+            static const u8 unitinfoCheckPattern2[] = {
+                0x14, 0x00, 0xD0, 0xE5, 0x01, 0x00, 0x10, 0xE3
+            } ;
+            
+            static const u8 unitinfoCheckPatch[] = {
+                0x00, 0x00, 0xA0, 0xE3
+            } ;
+            
+            patchMemory(code, size, 
+                unitinfoCheckPattern1, 
+                sizeof(unitinfoCheckPattern1), 0, 
+                unitinfoCheckPatch, 
+                sizeof(unitinfoCheckPatch), 1
+            );
+
+            patchMemory(code, size, 
+                unitinfoCheckPattern2, 
+                sizeof(unitinfoCheckPattern2), 0,
+                unitinfoCheckPatch, 
+                sizeof(unitinfoCheckPatch), 3
+            );
+            
+            break;
+        }
+        
         case 0x0004001000021000LL: // USA MSET
         case 0x0004001000020000LL: // JPN MSET
         case 0x0004001000022000LL: // EUR MSET