diff --git a/c8_remote/main.c b/c8_remote/main.c
index b819bb6..97339fa 100644
--- a/c8_remote/main.c
+++ b/c8_remote/main.c
@@ -202,7 +202,7 @@ int main()
     write_aes_utils(dev);
 
     free_dev_cmd_resp(resp);
-    for(int i = 0; i < 32; i++)
+    for(int i = 0; i < 65536; i++)
     {
         resp = execute_payload(dev, PAYLOAD_AES_SW, 0, 7,
                                0x180153000, 16, 0x180152000,
@@ -221,15 +221,14 @@ int main()
             printf("failed to read encrypted data from memory\n");
         }
 
-        memcpy(data, resp->data, 16);
-        free_dev_cmd_resp(resp);
-
         printf("got ");
         for(int j = 0; j < 16; j++)
         {
-            printf("%02x", data[j]);
+            printf("%02x", resp->data[j]);
         }
-        printf("\n");
+
+        printf(" (%llu)\n", resp->retval);
+        free_dev_cmd_resp(resp);
     }
 
     close_device_session(dev);
diff --git a/c8_remote/src/usb_helpers.c b/c8_remote/src/usb_helpers.c
index dcee56c..b8bba97 100644
--- a/c8_remote/src/usb_helpers.c
+++ b/c8_remote/src/usb_helpers.c
@@ -249,10 +249,12 @@ int is_device_session_open(struct pwned_device *dev)
 #ifdef WITH_ARDUINO
 void ard_read(struct pwned_device *dev, unsigned char *target, int nbytes)
 {
-    int index = 0;
+    int index = 0, amount;
     while(index < nbytes)
     {
-        index += read(dev->ard_fd, &target[index], nbytes - index);
+        amount = read(dev->ard_fd, &target[index], nbytes - index);
+        if(amount == 0) usleep(5000);
+        else index += amount;
     }
 }
 #endif