diff --git a/usb_application/gsmtap.py b/usb_application/gsmtap.py
index 96038eac..9e7a1021 100755
--- a/usb_application/gsmtap.py
+++ b/usb_application/gsmtap.py
@@ -17,8 +17,9 @@ def gsmtap_send_apdu(data):
     s.close()
 
 if __name__ == '__main__':
-    cmds = ("\xa0\xa4\x00\x00\x02\x6f\x7e\x9f\x0f",
-            "\xa0\xd6\x00\x00\x0b\xff\xff\xff\xff\x09\xf1\x07\xff\xfe\x00\x03\x90\x00",
+    cmds = ("\x3B\x99\x18\x00\x11\x88\x22\x33\x44\x55\x66\x77\x60", # ATR
+            "\xa0\xa4\x00\x00\x02\x6f\x7e\x9f\x0f", # SELECT FILE
+            "\xa0\xd6\x00\x00\x0b\xff\xff\xff\xff\x09\xf1\x07\xff\xfe\x00\x03\x90\x00", # UPDATE BINARY
             )
     for cmd in cmds:
         gsmtap_send_apdu(array.array('B', cmd))