diff --git a/UpdateRootfs.sh.in b/UpdateRootfs.sh.in
index 2ee5587dc8..a4456bf836 100644
--- a/UpdateRootfs.sh.in
+++ b/UpdateRootfs.sh.in
@@ -52,13 +52,32 @@ cp $TMP_PATH/u-boot.img /mnt
 cp $TMP_PATH/uImage /mnt
 cp $TMP_PATH/*.dtb /mnt
 
+mkdir -p $TMP_PATH/bu_cfg
+
+if [ -e /etc/network/interfaces ]
+then
+        cp /etc/network/interfaces $TMP_PATH/bu_cfg
+        rm /etc/network/interfaces
+fi
+
+if [ -e /etc/wpa_supplicant.conf ]
+then
+        cp /etc/wpa_supplicant.conf $TMP_PATH/bu_cfg/wpa_supplicant.conf_old
+        rm /etc/wpa_supplicant.conf
+fi
+
+if [ -e /etc/wpa_supplicant/wpa_supplicant.conf ]
+then
+        cp /etc/wpa_supplicant/wpa_supplicant.conf $TMP_PATH/bu_cfg
+        rm /etc/wpa_supplicant/wpa_supplicant.conf
+fi
+
 #rootfs auspacken
 tar -C / --exclude=./tmp --exclude=./etc/inittab \
-	--exclude=./etc/network/interfaces \
 	--exclude=./etc/hosts --exclude=./etc/hostname \
 	--exclude=./etc/passwd --exclude=./etc/shadow \
 	--exclude=./etc/vncpwd --exclude=./etc/init.d/S99tincd \
-	--exclude=./etc/hostapd.conf --exclude=./etc/wpa_supplicant.conf \
+	--exclude=./etc/hostapd.conf \
 	--exclude=./etc/init.d/M99tincd \
 	--exclude=./var/GfA/Display_GSM.ini \
 	--exclude=./var/cron/crontabs/root \
@@ -67,6 +86,35 @@ tar -C / --exclude=./tmp --exclude=./etc/inittab \
 echo "sync mmc be patient ...."
 sync
 sync
+# --- copy old eth0 configuration
+INTERFACE="eth0"
+IFCONFIG=$TMP_PATH/bu_cfg/interfaces
+
+(\
+cat << EOF
+# Configure Loopback
+auto lo
+iface lo inet loopback
+
+EOF
+) > /etc/network/interfaces
+
+awk -v par=$INTERFACE '/^iface/ && $2==par {f=1}/^iface/ && $2!=par {f=0}f && !/^\s*#/d && !/^\s*$/d  {print $0 }' $TMP_PATH/bu_cfg/interfaces \
+>> /etc/network/interfaces
+
+(\
+cat << EOF
+iface eth1 inet dhcp
+#---
+iface usb0 inet static
+        address 192.168.7.2
+        netmask 255.255.255.252
+#---
+iface wlan0 inet dhcp
+        wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
+#
+EOF
+) >> /etc/network/interfaces
 
 if [ -e /etc/init.d/S98usb_g_ether ]
 then
@@ -74,12 +122,21 @@ then
 	rm /etc/init.d/S98usb_g_ether
 fi
 
-
 if [ -e /etc/init.d/S80ti-sgx ]
 then
 	rm /etc/init.d/S80ti-sgx
 fi
         
+if [ -e /etc/init.d/M99_wlan_usb ]
+then
+	rm /etc/init.d/M99_wlan_usb
+fi
+
+if [ -e /etc/init.d/S99_wlan_usb ]
+then
+	rm /etc/init.d/S99_wlan_usb
+fi
+
 #echo "Update Firmware"
 #echo "."
 #/root/spi_tivia /root/btm43_0107.bin >/dev/null