diff --git a/userpatches/customize-image.sh b/userpatches/customize-image.sh
index ba22516..7128cb0 100644
--- a/userpatches/customize-image.sh
+++ b/userpatches/customize-image.sh
@@ -64,6 +64,8 @@ Main() {
 
 	# startup
 	systemctl enable x6100_chroot.service
+	systemctl enable x6100_app.service
+	systemctl enable lightdm_x6100.service
 
 	case $RELEASE in
 		stretch)
diff --git a/userpatches/overlay/boot/x6100Env.txt b/userpatches/overlay/boot/x6100Env.txt
index 70e3e0e..060212d 100644
--- a/userpatches/overlay/boot/x6100Env.txt
+++ b/userpatches/overlay/boot/x6100Env.txt
@@ -1,4 +1,4 @@
 BUTTON_NONE=setenv nosdboot 1
-BUTTON_1=setenv lkernel zImage_org; setenv bootargs_extra x6100_app=1 lightdm_screen=0 lightdm_vnc=1
-BUTTON_2=setenv lkernel zImage_org; setenv bootargs_extra x6100_app=0 lightdm_screen=1 lightdm_vnc=1
-BUTTON_3=setenv lkernel zImage; setenv bootargs_extra x6100_app=0 lightdm_screen=0 lightdm_vnc=1
\ No newline at end of file
+BUTTON_1=setenv lkernel zImage_org; setenv bootargs_extra x6100_app=1 lightdm_screen=0
+BUTTON_2=setenv lkernel zImage_org; setenv bootargs_extra x6100_app=0 lightdm_screen=1
+BUTTON_3=setenv lkernel zImage; setenv bootargs_extra x6100_app=0 lightdm_screen=0
\ No newline at end of file
diff --git a/userpatches/overlay/etc/systemd/system/lightdm_x6100.service b/userpatches/overlay/etc/systemd/system/lightdm_x6100.service
new file mode 100644
index 0000000..66893e0
--- /dev/null
+++ b/userpatches/overlay/etc/systemd/system/lightdm_x6100.service
@@ -0,0 +1,20 @@
+[Unit]
+Description=lightdm config based on kernel param
+Before=network.target
+Before=systemd-user-sessions.service
+Before=network-online.target
+Before=lightdm.service
+
+[Service]
+User=root
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/root/lightdm_x6100.sh start
+ExecStop=/root/lightdm_x6100.sh stop
+TimeoutSec=30
+StartLimitInterval=350
+StartLimitBurst=10
+
+[Install]
+WantedBy=multi-user.target
+lightdm_screen=1
\ No newline at end of file
diff --git a/userpatches/overlay/etc/systemd/system/x6100_app.service b/userpatches/overlay/etc/systemd/system/x6100_app.service
new file mode 100644
index 0000000..731f84d
--- /dev/null
+++ b/userpatches/overlay/etc/systemd/system/x6100_app.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=x6100 APP
+Requires=x6100_chroot.service
+Requires=amixer.service
+Requires=gpio_setup.service
+ConditionKernelCommandLine=x6100_app=1
+
+[Service]
+User=root
+ExecStart=/root/run_x6100_app.sh
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/userpatches/overlay/root/lightdm_x6100.sh b/userpatches/overlay/root/lightdm_x6100.sh
new file mode 100755
index 0000000..2ad500b
--- /dev/null
+++ b/userpatches/overlay/root/lightdm_x6100.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+if grep -r "lightdm_screen=1" /proc/cmdline > /dev/null ; then
+    rm /etc/lightdm/lightdm.conf.d/90-no-screen.conf
+else
+    cat > /etc/lightdm/lightdm.conf.d/90-no-screen.conf <<EOL
+[LightDM]
+start-default-seat=false
+EOL
+fi