diff --git a/conf/tvheadend b/conf/tvheadend
index bbd5a39..1e06f87 100644
--- a/conf/tvheadend
+++ b/conf/tvheadend
@@ -1,7 +1,15 @@
 #
 # Default configuration for tvheadend
-#
 
+# systemd
+# See tvheadend --help for more - default "-u hts -g video"
+OPTIONS="-u hts -g video"
+
+# sysvinit
+#
+# Editing the following variables has no effect when using systemd
+# modify the OPTIONS variable (above) instead.
+#
 # TVH_ENABLED
 #   set to 0 to disable upstart job
 TVH_ENABLED=1
diff --git a/manifest.json b/manifest.json
index 2bd4863..ae85b55 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "TV streaming server and recorder",
         "fr": "Serveur de streaming et d'enregistrement TV"
     },
-    "version": "4.2.8-36~ynh5",
+    "version": "4.3.1979~ynh5",
     "url": "https://tvheadend.org",
     "license": "free",
     "maintainer": {
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 4773020..9c43918 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,9 +5,9 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies_x86="libavahi-client3 libavahi-common3 libc6 libdbus-1-3 libssl1.1 libstdc++6 liburiparser1 zlib1g dvb-apps bzip2"
-pkg_dependencies_rb="libavahi-client3 libavahi-common3 libc6 libdbus-1-3 libssl1.1 liburiparser1 zlib1g dvb-apps bzip2"
+pkg_dependencies_x86="libavahi-client3 libavahi-common3 libc6 libdbus-1-3 libdvbcsa1 libpcre3 libssl1.1 libstdc++6 liburiparser1 zlib1g bzip2"
+pkg_dependencies_rb="libavahi-client3 libavahi-common3 libc6 libdbus-1-3 libdvbcsa1 libpcre2-8-0 libssl1.1 liburiparser1 zlib1g bzip2"
 
 # deb package URLs
-tvheadend_deb_x86_64="https://github.com/YunoHost-Apps/tvheadend_ynh/raw/debs/4.2.8-36/tvheadend_4.2.8-36%7Eg5bdcfd8ac%7Estretch_amd64.deb"
-tvheadend_deb_arm="https://github.com/YunoHost-Apps/tvheadend_ynh/raw/debs/4.2.8-36/tvheadend_4.2.8-36%7Eg5bdcfd8ac%7Eraspbianstretch_armhf.deb"
+tvheadend_deb_x86="https://github.com/YunoHost-Apps/tvheadend_ynh/raw/debs/4.3.1979/tvheadend_4.3-1979%7Eg8fc2dfa7e%7Estretch_amd64.deb"
+tvheadend_deb_arm="https://github.com/YunoHost-Apps/tvheadend_ynh/raw/debs/4.3.1979/tvheadend_4.3-1979%7Eg8fc2dfa7e%7Eraspbianstretch_armhf.deb"
\ No newline at end of file
diff --git a/scripts/backup b/scripts/backup
index c7fc593..bf2f5af 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -23,7 +23,13 @@ ynh_print_info --message="Loading installation settings..."
 app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
+path_url=$(ynh_app_setting_get --app=$app --key=path)
+superuser=$(ynh_app_setting_get --app=$app --key=superuser)
+password=$(ynh_app_setting_get --app=$app --key=password)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+conf_dir=$(ynh_app_setting_get --app=$app --key=conf_dir)
+port=$(ynh_app_setting_get --app=$app --key=port)
+stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
diff --git a/scripts/install b/scripts/install
index 9c95cbd..c7fd7c7 100644
--- a/scripts/install
+++ b/scripts/install
@@ -27,7 +27,7 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
-ynh_script_progression --message="Validating installation parameters..." --weight=2
+ynh_script_progression --message="Validating installation parameters..." --weight=1
 
 final_path=/home/hts # Default path for Tvheadend deb package
 test ! -e "$final_path" || ynh_die --message="The path $final_path already contains a folder"
@@ -38,7 +38,7 @@ ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
-ynh_script_progression --message="Storing installation settings..." --weight=2
+ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
@@ -51,20 +51,21 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 #=================================================
 # FIND AND OPEN PORTS
 #=================================================
-ynh_script_progression --message="Configuring firewall..." --weight=15
+ynh_script_progression --message="Finding available ports..." --weight=1
 
-# Find a free port for the web server
+# Find available ports for web interface and streaming
 port=$(ynh_find_port --port=9981)
-# Open this port
-ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
 ynh_app_setting_set --app=$app --key=port --value=$port
 
-# Find a free port for the streaming server
 stream_port=$(ynh_find_port --port=9982)
-# Open this port
-ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $stream_port
 ynh_app_setting_set --app=$app --key=stream_port --value=$stream_port
 
+# Open ports
+ynh_script_progression --message="Configuring firewall..." --weight=15
+ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
+ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $stream_port
+
+
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
@@ -84,16 +85,12 @@ ynh_script_progression --message="Downloading Tvheadend..." --weight=5
 
 temp_folder="$(mktemp -d)"
 tvheadend_deb_dst="$temp_folder/tvheadend_deb.deb"
-tvheadend_deb_url=""
 
 if [ -n "$(uname -m | grep arm)" ]
 then
     tvheadend_deb_url="$tvheadend_deb_arm"
-elif [ -n "$(uname -m | grep x86_64)" ]
-then
-    tvheadend_deb_url="$tvheadend_deb_x86_64"
 else
-	tvheadend_deb_url="$tvheadend_deb_x86_32"
+	tvheadend_deb_url="$tvheadend_deb_x86"
 fi
 
 ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"
@@ -103,7 +100,7 @@ ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"
 #=================================================
 ynh_script_progression --message="Installing Tvheadend..." --weight=24
 
-ynh_exec_warn_less dpkg -i $tvheadend_deb_dst
+ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg -i $tvheadend_deb_dst
 
 ynh_secure_remove --file="$temp_folder"
 
@@ -116,20 +113,17 @@ ynh_systemd_action --service_name=$app --action="stop"
 #=================================================
 # MODIFY TVHEADEND CONFIG FILES
 #=================================================
+ynh_script_progression --message="Update configuration files..." --weight=1
+
 # Copy and modify /etc/default/tvheadend
-cp ../conf/tvheadend /etc/default/tvheadend
-ynh_replace_string --match_string="__CONF_DIR__" --replace_string="$final_path/.hts/tvheadend" --target_file="/etc/default/tvheadend"
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="/etc/default/tvheadend"
-ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file="/etc/default/tvheadend"
-ynh_replace_string --match_string="__STREAM_PORT__" --replace_string="$stream_port" --target_file="/etc/default/tvheadend"
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="/etc/default/tvheadend"
-ynh_store_file_checksum --file="/etc/default/tvheadend"
+conf_dir=$final_path/.hts/tvheadend
+ynh_app_setting_set --app=$app --key=conf_dir --value=$conf_dir
+ynh_add_config --template="tvheadend" --destination="/etc/default/tvheadend"
 
 # Copy and modify /home/hts/.hts/tvheadend/superuser
-cp ../conf/superuser $final_path/.hts/tvheadend/superuser
-ynh_replace_string --match_string="__SUPERUSER__" --replace_string="$superuser" --target_file="$final_path/.hts/tvheadend/superuser"
-ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="$final_path/.hts/tvheadend/superuser"
-ynh_store_file_checksum --file="$final_path/.hts/tvheadend/superuser"
+ynh_add_config --template="superuser" --destination="${conf_dir}/superuser"
+chown hts:video "${conf_dir}/superuser"
+chmod 600 "${conf_dir}/superuser"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -150,9 +144,10 @@ chmod 666 /var/log/$app.log
 ynh_use_logrotate --logfile=/var/log/$app.log
 
 #=================================================
-# ADVERTISE SERVICE IN ADMIN PANEL
+# INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-yunohost service add $app --log "/var/log/$app.log"
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+yunohost service add $app --description="TV streaming server and recorder" --log "/var/log/$app.log"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/remove b/scripts/remove
index e416a5f..289b48e 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -31,7 +31,7 @@ stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)
 ynh_script_progression --message="Stopping Tvheadend service..." --weight=2
 
 ynh_systemd_action --service_name=$app --action=stop
-ynh_exec_quiet systemctl disable $app
+ynh_exec_quiet systemctl disable $app --quiet
 ynh_exec_quiet systemctl daemon-reload
 
 #=================================================
@@ -42,12 +42,19 @@ ynh_script_progression --message="Disable prevent Tvheadend being upgraded throu
 apt-mark unhold tvheadend
 
 #=================================================
-# REMOVE SERVICE FROM ADMIN PANEL
+# REMOVE TVHEADEND
 #=================================================
-# Remove a service from the admin panel, added by `yunohost service add`
+ynh_script_progression --message="Removing Tvheadend..." --weight=6
+
+ynh_package_autopurge $app
+
+#=================================================
+# REMOVE SERVICE INTEGRATION IN YUNOHOST
+#=================================================
+# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
 if ynh_exec_warn_less yunohost service status $app >/dev/null
 then
-    ynh_script_progression --message="Removing $app service..." --weight=1
+    ynh_script_progression --message="Removing $app service integration..." --weight=1
     yunohost service remove $app
 fi
 
@@ -65,12 +72,12 @@ ynh_script_progression --message="Removing $app log file..." --weight=1
 ynh_secure_remove --file="/var/log/$app.log"
 
 #=================================================
-# REMOVE NGINX CONFIGURATION
+# REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
+ynh_script_progression --message="Removing dependencies..." --weight=3
 
-# Remove the dedicated NGINX config
-ynh_remove_nginx_config
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
 
 #=================================================
 # REMOVE APP MAIN DIR AND CONFIG FILES
@@ -82,30 +89,15 @@ ynh_secure_remove --file="$final_path"
 ynh_secure_remove --file="/etc/default/tvheadend"
 
 #=================================================
-# REMOVE TVHEADEND
+# REMOVE NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Removing Tvheadend..." --weight=6
+ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
 
-ynh_package_autopurge $app
+# Remove the dedicated NGINX config
+ynh_remove_nginx_config
 
 #=================================================
-# REMOVE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Removing the dedicated hts system user..." --weight=1
-
-# Delete a system user
-ynh_system_user_delete --username=hts
-
-#=================================================
-# REMOVE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=3
-
-# Remove metapackage and its dependencies
-ynh_remove_app_dependencies
-
-#=================================================
-# CLOSE TVHEADEND PORTS
+# CLOSE PORTS
 #=================================================
 if yunohost firewall list | grep -q "\- $port$"
 then
@@ -119,6 +111,14 @@ then
     ynh_exec_warn_less yunohost firewall disallow TCP $stream_port
 fi
 
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Removing the dedicated hts system user..." --weight=1
+
+# Delete a system user
+ynh_system_user_delete --username=hts
+
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index d08a572..0345710 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -26,6 +26,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 superuser=$(ynh_app_setting_get --app=$app --key=superuser)
 password=$(ynh_app_setting_get --app=$app --key=password)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+conf_dir=$(ynh_app_setting_get --app=$app --key=conf_dir)
 port=$(ynh_app_setting_get --app=$app --key=port)
 stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)
 
@@ -44,6 +45,7 @@ test ! -d $final_path \
 #=================================================
 # OPEN TVHEADEND PORTS
 #=================================================
+ynh_script_progression --message="Configuring firewall..." --weight=15
 if yunohost firewall list | grep -q "\- $port$"
 then
     ynh_die --message="Port $port already open (and maybe used by another application)"
@@ -76,16 +78,12 @@ ynh_script_progression --message="Downloading Tvheadend..." --weight=3
 
 temp_folder="$(mktemp -d)"
 tvheadend_deb_dst="$temp_folder/tvheadend_deb.deb"
-tvheadend_deb_url=""
 
 if [ -n "$(uname -m | grep arm)" ]
 then
     tvheadend_deb_url="$tvheadend_deb_arm"
-elif [ -n "$(uname -m | grep x86_64)" ]
-then
-    tvheadend_deb_url="$tvheadend_deb_x86_64"
 else
-    tvheadend_deb_url="$tvheadend_deb_x86_32"
+    tvheadend_deb_url="$tvheadend_deb_x86"
 fi
 
 ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"
@@ -95,7 +93,7 @@ ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"
 #=================================================
 ynh_script_progression --message="Installing Tvheadend..." --weight=13
 
-ynh_exec_warn_less dpkg -i $tvheadend_deb_dst
+ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg -i $tvheadend_deb_dst
 
 ynh_secure_remove --file="$temp_folder"
 
@@ -129,9 +127,10 @@ ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 ynh_restore_file --origin_path="/var/log/$app.log"
 
 #=================================================
-# ADVERTISE SERVICE IN ADMIN PANEL
+# INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-yunohost service add $app --log "/var/log/$app.log"
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+yunohost service add $app --description="TV streaming server and recorder" --log "/var/log/$app.log"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/upgrade b/scripts/upgrade
index 74c0963..c4ff0ad 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,6 +20,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 superuser=$(ynh_app_setting_get --app=$app --key=superuser)
 password=$(ynh_app_setting_get --app=$app --key=password)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+conf_dir=$(ynh_app_setting_get --app=$app --key=conf_dir)
 port=$(ynh_app_setting_get --app=$app --key=port)
 stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)
 
@@ -51,23 +52,24 @@ ynh_script_progression --message="Stopping Tvheadend service..." --weight=3
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app.log"
 
-#=================================================
-# UPGRADE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=15
-
-if [ -n "$(uname -m | grep arm)" ]
-then
-    ynh_install_app_dependencies $pkg_dependencies_rb
-else
-    ynh_install_app_dependencies $pkg_dependencies_x86
-fi
 
 #=================================================
 # UPGRADE TVHEADEND DEB PACKAGE
 #=================================================
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
+    #=================================================
+    # UPGRADE DEPENDENCIES
+    #=================================================
+    ynh_script_progression --message="Upgrading dependencies..." --weight=15
+
+    if [ -n "$(uname -m | grep arm)" ]
+    then
+        ynh_install_app_dependencies $pkg_dependencies_rb
+    else
+        ynh_install_app_dependencies $pkg_dependencies_x86
+    fi
+
     #=================================================
     # DOWNLOAD TVHEADEND DEB PACKAGE
     #=================================================
@@ -75,16 +77,12 @@ then
 
     temp_folder="$(mktemp -d)"
     tvheadend_deb_dst="$temp_folder/tvheadend_deb.deb"
-    tvheadend_deb_url=""
 
     if [ -n "$(uname -m | grep arm)" ]
     then
         tvheadend_deb_url="$tvheadend_deb_arm"
-    elif [ -n "$(uname -m | grep x86_64)" ]
-    then
-        tvheadend_deb_url="$tvheadend_deb_x86_64"
     else
-        tvheadend_deb_url="$tvheadend_deb_x86_32"
+        tvheadend_deb_url="$tvheadend_deb_x86"
     fi
 
     ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"
@@ -94,7 +92,7 @@ then
     #=================================================
     ynh_script_progression --message="Upgrading Tvheadend..." --weight=24
 
-    ynh_exec_warn_less dpkg -i $tvheadend_deb_dst
+    ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg --force-confold -i $tvheadend_deb_dst
 
     ynh_secure_remove --file="$temp_folder"
 
@@ -104,15 +102,31 @@ then
     # we stop it before the configuration
     ynh_systemd_action --service_name=$app --action="stop"
 
-    # Deb install seems to remove the superuser config, let's restore it
+    #=================================================
+    # RESTORE TVHEADEND CONFIG FILES
+    #=================================================
+    ynh_script_progression --message="Restore/update configuration files..." --weight=1
+
+    # Copy and modify /etc/default/tvheadend
+    ynh_add_config --template="tvheadend" --destination="/etc/default/tvheadend"
+
     # Copy and modify /home/hts/.hts/tvheadend/superuser
-    cp ../conf/superuser $final_path/.hts/tvheadend/superuser
-    ynh_replace_string --match_string="__SUPERUSER__" --replace_string="$superuser" --target_file="$final_path/.hts/tvheadend/superuser"
-    ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="$final_path/.hts/tvheadend/superuser"
-    ynh_store_file_checksum --file="$final_path/.hts/tvheadend/superuser"
+    ynh_add_config --template="superuser" --destination="${conf_dir}/superuser"
+    chown hts:video "${conf_dir}/superuser"
+    chmod 600 "${conf_dir}/superuser"
 
 fi
 
+
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
+
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
+
 #=================================================
 # SETUP SSOWAT
 #=================================================