diff --git a/files/1.bin b/files/1.bin
deleted file mode 120000
index 0e6300f..0000000
--- a/files/1.bin
+++ /dev/null
@@ -1 +0,0 @@
-esp8266-ota-flash-convert_upg.bin
\ No newline at end of file
diff --git a/files/esp8266-ota-flash-convert.ino-0x81000.bin b/files/esp8266-ota-flash-convert.ino-0x81000.bin
deleted file mode 100644
index 7778254..0000000
Binary files a/files/esp8266-ota-flash-convert.ino-0x81000.bin and /dev/null differ
diff --git a/files/esp8266-ota-flash-convert_upg.bin b/files/esp8266-ota-flash-convert_upg.bin
deleted file mode 100644
index 8da4bc0..0000000
Binary files a/files/esp8266-ota-flash-convert_upg.bin and /dev/null differ
diff --git a/files/upgrade.bin b/files/upgrade.bin
new file mode 100644
index 0000000..fcf1807
Binary files /dev/null and b/files/upgrade.bin differ
diff --git a/files/user2.bin b/files/user2.bin
deleted file mode 120000
index f3430f3..0000000
--- a/files/user2.bin
+++ /dev/null
@@ -1 +0,0 @@
-esp8266-ota-flash-convert.ino-0x81000.bin
\ No newline at end of file
diff --git a/files/user2.bin b/files/user2.bin
new file mode 100644
index 0000000..bd66093
Binary files /dev/null and b/files/user2.bin differ
diff --git a/scripts/backup.py b/scripts/backup.py
deleted file mode 100755
index fc3bf23..0000000
--- a/scripts/backup.py
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/usr/bin/python3
-# encoding: utf-8
-"""
-backup.py
-
-Created by nano on 2019-01-10.
-Copyright (c) 2019 VTRUST GmbH. All rights reserved.
-"""
-
-import sys
-import os
-import http.client
-from binascii import unhexlify
-import datetime
-
-DEVICE_IP = "10.42.42.42"
-
-
-def main():
-	print("Create backup of entire FLASH from %s" % DEVICE_IP )
-	data = b""
-	conn = http.client.HTTPConnection(DEVICE_IP)
-	conn.request("GET","/flashsize")
-	flashsize = int(conn.getresponse().read())
-	print("Connected... Flashsize=",flashsize)
-	for address in range(0,flashsize,1024):
-		conn.request("GET", "/get?read=%X" % address )
-		r1 = conn.getresponse()
-#		print(r1.status, r1.reason)
-		block = r1.read().split(b'\n')
-		print(block[0])
-		data += block[1]
-	conn.close()
-	bindata = unhexlify(data)
-	f= open(datetime.datetime.now().strftime("../%Y-%m-%d_%H-%M-%S_readout.bin"),"wb")
-	f.write(bindata)
-	f.close
-	pass
-
-
-if __name__ == '__main__':
-	main()
-
-
diff --git a/scripts/fake-registration-server.py b/scripts/fake-registration-server.py
index 919dbe0..f9eae0f 100755
--- a/scripts/fake-registration-server.py
+++ b/scripts/fake-registration-server.py
@@ -60,10 +60,7 @@ class JSONHandler(tornado.web.RequestHandler):
                      b'{'
                        b'"schema":"[{'
                                     b'\\"mode\\":\\"rw\\",'
-                                    b'\\"property\\":{\\"type\\":\\"bool\\"},\\"id\\":1,\\"type\\":\\"obj\\"},'
-                                    b'{\\"mode\\":\\"rw\\",'
-                                    b'\\"property\\":{\\"min\\":0,\\"max\\":86400,\\"scale\\":0,\\"step\\":1,\\"type\\":\\"value\\"},'
-                                    b'\\"id\\":9,\\"type\\":\\"obj\\"'
+                                    b'\\"property\\":{\\"type\\":\\"bool\\"},\\"id\\":1,\\"type\\":\\"obj\\"'
                        b'}]",'
                        b'"uid":"00000000000000000000","devEtag":"0000000000","secKey":"0000000000000000","schemaId":"0000000000","localKey":"0000000000000000"'
                      b'},'
@@ -81,9 +78,9 @@ class JSONHandler(tornado.web.RequestHandler):
             print("Answer s.gw.upgrade")
             #Fixme
             #Calculate MD5 and Filesize
-            file_md5 = hashlib.md5(file_as_bytes(open('../files/1.bin', 'rb'))).hexdigest()
-            file_len = os.path.getsize('../files/1.bin')
-            answer = b'{"result":{"auto":3,"fileSize":"%d","etag":"0000000000","version":"9.0.0","url":"http://10.42.42.1/files/1.bin","md5":"%s"},"t":100,"e":false,"success":true}' % (file_len,file_md5.encode('utf-8'))
+            file_md5 = hashlib.md5(file_as_bytes(open('../files/upgrade.bin', 'rb'))).hexdigest()
+            file_len = os.path.getsize('../files/upgrade.bin')
+            answer = b'{"result":{"auto":3,"fileSize":"%d","etag":"0000000000","version":"9.0.0","url":"http://10.42.42.1/files/upgrade.bin","md5":"%s"},"t":100,"e":false,"success":true}' % (file_len,file_md5.encode('utf-8'))
             print(answer)
             self.set_header("Content-Type", "application/json;charset=UTF-8")
             self.set_header('Content-Length', str(len(answer)))
diff --git a/start_flash.sh b/start_flash.sh
index 065eeaf..3351843 100755
--- a/start_flash.sh
+++ b/start_flash.sh
@@ -59,6 +59,9 @@ echo "======================================================"
 echo "Starting pairing procedure in screen"
 sudo ip route add 255.255.255.255 dev $WLAN
 $screen_with_log smarthack-smartconfig.log -S smarthack-smartconfig -m -d ./smartconfig/smartconfig.js
+
+popd
+
 echo "Waiting for the upgraded device to appear"
 echo "If this does not work have a look at the '*.log'-files in the 'scripts' subfolder!"
 
@@ -72,9 +75,7 @@ echo
 echo "IoT-device is online with ip 10.42.42.42"
 echo "Fetching firmware backup"
 sleep 2
-./backup.py
-
-popd
+curl -JO http://10.42.42.42/backup
 
 echo "======================================================"
 echo "Getting Info from IoT-device"