diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..85e7c1d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/.idea/
diff --git a/README.md b/README.md
index a61d6bb..9f84669 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,22 @@
 # openwrt-autoupdate
-Automatic update of OpenWrt firmware and packages
+Automatic update of OpenWrt firmware image  and packages.
+See http://downloads.openwrt.org/releases/
+# Install
+
+## First run
+Create configuration with user packages, example
+
+``
+USER_PACKAGES="luci-app-upnp luci-app-mwan3 tcpdump snmpd luci-app-openvpn openvpn-openssl";
+sh <(wget -O - https://raw.githubusercontent.com/mab-wien/openwrt-autoupdate/master/bin/auto-update.sh $USER_PACKAGES)
+``
+
+# Tested on
+## Devices
+- TP-Link Archer C7 v2
+- TP-Link Archer C7 v4
+- TP-Link Archer C7 v5
+- D-Link DIR-860L B1
+## OpenWrt
+- 19.07.0
+- 19.07.1
diff --git a/bin/auto-update.sh b/bin/auto-update.sh
new file mode 100644
index 0000000..ea9200b
--- /dev/null
+++ b/bin/auto-update.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+CONFIG_PATH="/etc/auto-update.conf";
+
+function checkAndSetConfig {
+  if [ ! -f "$CONFIG_PATH" ]; then
+      if [ "$1" == "" ]; then
+        echo "Config not found ($CONFIG_PATH)";
+        exit;
+      fi
+      echo "Create Config ($CONFIG_PATH)"
+      touch $CONFIG_PATH;
+      echo USER_PACKAGES=\"$@\" >> $CONFIG_PATH;
+      cat $CONFIG_PATH;
+  fi
+  grep -c $CONFIG_PATH /etc/sysupgrade.conf >> /dev/null
+  if [ "$?" != "0" ]
+  then
+    echo $CONFIG_PATH >> /etc/sysupgrade.conf;
+  fi
+}
+
+checkAndSetConfig $@;
+. /etc/os-release
+. $CONFIG_PATH;
+echo "System Version: $VERSION";
+echo "Target: $OPENWRT_BOARD";
+MODEL="$(cat /etc/board.json  |jsonfilter -e '@.model.id' | tr ',' '_')"
+echo "Model: $MODEL";
+
+CURRENT_VERSION="$(wget -q http://downloads.openwrt.org/releases/ -O - |grep -E '<a href="[0-9]+.[0-9]+.[0-9]+/">'|awk -F '</a>' '{print $1}'|awk -F '>' '{print $(NF)}'|sort -n -r|head -1)";
+if [ "$CURRENT_VERSION" == "$VERSION" ]
+then
+  if [ "$USER_PACKAGES" != "" ]
+  then
+    opkg update
+    opkg install $USER_PACKAGES;
+  fi
+  opkg list-upgradable;
+  echo "System is up to date";
+	exit;
+fi
+echo "Current Realease: $CURRENT_VERSION";
+
+
+FILENAME="openwrt-$CURRENT_VERSION-$(echo $OPENWRT_BOARD | tr '/' '-' )-$MODEL-squashfs-sysupgrade.bin"
+BASE_LINK="http://downloads.openwrt.org/releases/$CURRENT_VERSION/targets/$(echo $OPENWRT_BOARD | tr '-' '/' )/";
+SHA256SUMS=$(wget $BASE_LINK/sha256sums -q -O -|grep $FILENAME | awk '{print $1}')
+TARGET_PATH="/tmp/$FILENAME";
+wget $BASE_LINK$FILENAME -O $TARGET_PATH
+if [ "$?" != "0" ]
+then
+	echo "download error ($BASE_LINK$FILENAME)";
+	exit;
+fi
+sha256sum $FILENAME | grep $SHA256SUMS
+if [ "$?" != "0" ]
+then
+	echo "sha256sum error ($SHA256SUMS)";
+	exit;
+fi
+
+sysupgrade -v $FILENAME;