diff --git a/source/exploit/dwc3.elf b/source/exploit/dwc3.elf
index 0849b76..ddd1232 100755
Binary files a/source/exploit/dwc3.elf and b/source/exploit/dwc3.elf differ
diff --git a/source/exploit/dwc3.o b/source/exploit/dwc3.o
index 8d45875..83c6d7f 100644
Binary files a/source/exploit/dwc3.o and b/source/exploit/dwc3.o differ
diff --git a/source/exploit/exploit.py b/source/exploit/exploit.py
index e2ed6c1..e37507f 100644
--- a/source/exploit/exploit.py
+++ b/source/exploit/exploit.py
@@ -287,7 +287,8 @@ def usb_debug():
         transferred.value = 0
         buf = ctypes.c_buffer(b"", 0x200)
         res = libusb1.libusb_bulk_transfer(exynos.handle._USBDeviceHandle__handle, 0x81, buf, len(buf), ctypes.byref(transferred), 100)        
-        hexdump(buf.raw[:0x20])
+        assert res == 0, "Error receiving data"
+        hexdump(buf.raw)
         pass
     
     # Should have received some bytes
diff --git a/source/exploit/symbols.txt b/source/exploit/symbols.txt
index ce55876..7d1870a 100644
--- a/source/exploit/symbols.txt
+++ b/source/exploit/symbols.txt
@@ -1,5 +1,5 @@
 maybe_usb_setup_read = 0x00006f88;
 dwc3_ep0_start_trans = 0x0000791c;
 usb_event_handler = 0x00007bac;
-get_endpoint_buffer = 0x00007a7c;
+get_endpoint_recv_buffer = 0x00007a7c;
 sleep = 0x000027c8;
\ No newline at end of file
diff --git a/source/exploit/test_dwc3.c b/source/exploit/test_dwc3.c
index 6928230..9488bb4 100644
--- a/source/exploit/test_dwc3.c
+++ b/source/exploit/test_dwc3.c
@@ -4,7 +4,7 @@
 extern void maybe_usb_setup_read(char endpoint,void *fun,uint32_t target_buffer);
 extern void dwc3_ep0_start_trans(char endpoint,uint32_t target_buf, uint32_t len);
 extern int usb_event_handler(void);
-extern void * get_endpoint_buffer(char endpoint);
+extern uint32_t get_endpoint_recv_buffer(char endpoint);
 extern void sleep(int endpoint,uint32_t timeout);
 extern void usb_send(uint32_t address,uint32_t size);
 extern void rom_send();
@@ -17,7 +17,7 @@ void recv_data_cb(uint32_t endpoint, uint32_t len){
     void *dest_buf = (void *)recv_buffer;
     volatile void *dref = (void *)data_received;
     
-    rbuf = get_endpoint_buffer(endpoint);
+    rbuf = get_endpoint_recv_buffer(endpoint);
     for(int i= 0; i < len; i++){
         *(char *)dest_buf = *(char *)(void *)((int)rbuf + i);
     }
@@ -32,8 +32,8 @@ void recv_data(){
     *(uint8_t *)dref = 0;
 
     maybe_usb_setup_read(2, recv_data_cb, 0x200);
-    void *rbuf = get_endpoint_buffer(2);
-    dwc3_ep0_start_trans(2, (uint32_t)rbuf, 0x200);
+    uint32_t rbuf = get_endpoint_recv_buffer(2);
+    dwc3_ep0_start_trans(2, rbuf, 0x200);
     while(1){
         usb_event_handler();
         if(*(uint8_t *)dref == 1){
@@ -57,9 +57,10 @@ void send_data_cb(uint32_t endpoint, uint32_t len){
 void send_data(void *address, uint32_t size){
     volatile void *dref = (void *)data_received;
     *(uint8_t *)dref = 0;
+    uint32_t val = 0x0;
     maybe_usb_setup_read(0x1, send_data_cb, 0x200);
-    void *rbuf = get_endpoint_buffer(1);
-    dwc3_ep0_start_trans(1, (uint32_t)rbuf, 0x200);
+    uint32_t rbuf = get_endpoint_recv_buffer(1);
+    dwc3_ep0_start_trans(1, (uint32_t)0x0, 0x200);
     while(1){
         usb_event_handler();
         if(*(uint8_t *)dref == 1){
@@ -71,7 +72,7 @@ void send_data(void *address, uint32_t size){
 
 int main() {
     
-    
+    uint32_t count = 0;
     while(1){
         recv_data();
         // rom_send();
@@ -84,4 +85,4 @@ int main() {
     // sleep(1, 5000);
     asm("mov x0, #0x0");
     asm("br x0");
-}
+}
\ No newline at end of file