diff --git a/source/fs.c b/source/fs.c
index 7493f59..78ea049 100644
--- a/source/fs.c
+++ b/source/fs.c
@@ -5,7 +5,6 @@
 #include "fs.h"
 #include "memory.h"
 #include "fatfs/ff.h"
-#include "utils.h"
 
 static FATFS fs;
 
diff --git a/source/installer.c b/source/installer.c
index 0bd12d2..2021118 100755
--- a/source/installer.c
+++ b/source/installer.c
@@ -22,8 +22,8 @@ static const u8 firm0Hash[0x20] = {
 };
 
 static const u8 firm0A9lhHash[0x20] = {
-    0x6A, 0x5A, 0x74, 0x5F, 0x3B, 0x83, 0x8C, 0xDA, 0x25, 0x1C, 0xA9, 0xDC, 0x59, 0x4E, 0x1B, 0x01,
-    0x00, 0x93, 0x27, 0x81, 0x59, 0xAF, 0x2D, 0x3B, 0x76, 0x98, 0xB1, 0xAB, 0xB2, 0x5F, 0x2E, 0x3E
+    0x79, 0x3D, 0x35, 0x7B, 0x8F, 0xF1, 0xFC, 0xF0, 0x8F, 0xB6, 0xDB, 0x51, 0x31, 0xD4, 0xA7, 0x74,
+    0x8E, 0xF0, 0x4A, 0xB1, 0xA6, 0x7F, 0xCD, 0xAB, 0x0C, 0x0A, 0xC0, 0x69, 0xA7, 0x9D, 0xC5, 0x04
 };
 
 static const u8 firm1Hash[0x20] = {
@@ -126,7 +126,7 @@ static inline void installer(u32 a9lhBoot)
         if(!verifyHash((void *)FIRM0_OFFSET, FIRM0_SIZE, firm0Hash))
             shutdown(1, "Error: firm0.bin is invalid or corrupted");
     }
-    else if(!verifyHash((void *)FIRM0_OFFSET, STAGE1_POSITION, firm0A9lhHash))
+    else if(!verifyHash((void *)FIRM0_OFFSET, SECTION2_POSITION, firm0A9lhHash))
         shutdown(1, "Error: NAND FIRM0 is invalid");
 
     if(!a9lhBoot)
diff --git a/source/installer.h b/source/installer.h
index 0e2bcfe..5480574 100644
--- a/source/installer.h
+++ b/source/installer.h
@@ -9,18 +9,19 @@
 #define PDN_MPCORE_CFG     (*(vu8 *)0x10140FFC)
 #define PDN_SPI_CNT        (*(vu8 *)0x101401C0)
 
-#define OTP_FROM_MEM    0x10012000
-#define OTP_OFFSET      0x24000000
-#define SECTOR_OFFSET   0x24100000
-#define FIRM0_OFFSET    0x24200000
-#define FIRM1_OFFSET    0x24300000
-#define FIRM0_SIZE      0xF3000
-#define FIRM1_SIZE      0xF2000
-#define STAGE1_POSITION 0xF0400
-#define STAGE1_OFFSET   FIRM0_OFFSET + STAGE1_POSITION
-#define STAGE2_OFFSET   0x24400000
-#define MAX_STAGE1_SIZE 0x2000
-#define MAX_STAGE2_SIZE 0x2800
+#define OTP_FROM_MEM      0x10012000
+#define OTP_OFFSET        0x24000000
+#define SECTOR_OFFSET     0x24100000
+#define FIRM0_OFFSET      0x24200000
+#define FIRM1_OFFSET      0x24300000
+#define FIRM0_SIZE        0xF3000
+#define SECTION2_POSITION 0x66A00
+#define FIRM1_SIZE        0xF2000
+#define STAGE1_POSITION   0xF0590
+#define STAGE1_OFFSET     FIRM0_OFFSET + STAGE1_POSITION
+#define STAGE2_OFFSET     0x24400000
+#define MAX_STAGE1_SIZE   0x1E70
+#define MAX_STAGE2_SIZE   0x2800
 
 static inline void installer(u32 a9lhBoot);
 static inline void uninstaller(void);
\ No newline at end of file