diff --git a/UpdateDTS.sh.in b/UpdateDTS.sh.in
index 3a5cb18..cc13780 100644
--- a/UpdateDTS.sh.in
+++ b/UpdateDTS.sh.in
@@ -36,6 +36,93 @@ else
 	bootpart="/dev/mmcblk0p1"
 fi	
 
+#---- create file /root/GfACheck4_3Display.sh
+(\
+cat << EOF
+#!/bin/bash
+KERNELREL=\`uname -r\`
+DTSFILE=\`cat /proc/device-tree/vendorinfo/display_dtb\`
+TOUCHCONTR=\`cat /sys/devices/platform/ocp/4819c000.i2c/i2c-2/2-0038/input/input2/name\`
+
+if [ \$KERNELREL == "4.4.104-bone-rt-r21" ]; then
+    echo -e "$DTSFILE\n\$TOUCHCONTR\n"
+    if [[ \$TOUCHCONTR == "EP0430M"* ]]; then
+        echo "4.3\" Display, check if Right DTS"
+        
+        if [ \$TOUCHCONTR == "EP0430MG1" ] && [ \$DTSFILE != "Display001_4_2020.dtb" -a \$DTSFILE != "Display001_4_nopruss_2020.dtb" ]; then
+        	if [[ \$DTSFILE == *"_nopruss"* ]]; then
+         	    echo "switch to new2020 nopruss";
+         	    /root/DisplayTo_4_3inch_nopruss_2020.sh
+         	    reboot
+        	else
+        	    echo "switch to new2020";
+        	    /root/DisplayTo_4_3inch_2020.sh
+        	    reboot
+        	fi
+        fi
+        if [ \$TOUCHCONTR == "EP0430M09" ] && [ \$DTSFILE != "Display001_4.dtb" -a \$DTSFILE != "Display001_4_nopruss.dtb" ] ; then
+        	if [[ \$DTSFILE == *"_nopruss"* ]]; then
+         	    echo "switch to old nopruss";
+         	    /root/DisplayTo_4_3inch_nopruss.sh
+         	    reboot
+        	else
+        	    echo "switch to old";
+        	    /root/DisplayTo_4_3inch.sh
+        	    reboot
+        	fi
+        	
+        fi
+        
+    fi
+else
+    echo "Kernelrelease (\$KERNELREL) not applicable"
+fi
+EOF
+) > /root/GfACheck4_3Display.sh
+chmod +x /root/GfACheck4_3Display.sh
+
+(\
+cat << EOF
+#!/bin/sh
+umount /var/tmp/mnt 2> /dev/null
+rm -rf /var/tmp/mnt 2> /dev/null
+
+from=/var/tmp/mnt/Display001_4_2020.dtb
+to=/var/tmp/mnt/Display001.dtb
+
+such="root=/dev/mmcblk1"
+grep -q \$such /proc/cmdline
+if [ \$? == 0 ]
+then
+        bootpart="/dev/mmcblk1p1"
+else
+        bootpart="/dev/mmcblk0p1"
+fi  
+
+echo "Bootpart == \$bootpart"
+
+mkdir /var/tmp/mnt
+mount \$bootpart /var/tmp/mnt
+
+if [ -e \$from ]
+then
+        echo "copy \$from --> \$to"
+        cp \$from \$to
+        sync
+        echo "pls. reboot !!"
+else
+        echo " no such file \$from"
+fi
+
+umount /var/tmp/mnt 2> /dev/null
+rm -rf /var/tmp/mnt 2> /dev/null
+EOF
+) > /root/DisplayTo_4_3inch_2020.sh
+
+chmod +x /root/DisplayTo_4_3inch_2020.sh
+
+#--------------------------------------------------
+
 umount /mnt
 mount $bootpart /mnt
 
@@ -116,11 +203,11 @@ if [ "$DONE" == "0" ]; then
   echo "Unknown Display Resolution"
 fi
 
-
-
-
 #=================
 echo "Update Done, pls. reboot System"
 umount /mnt
 echo "."
+
+/root/GfACheck4_3Display.sh
+
 exit 0