diff --git a/README.md b/README.md
index d121a89..052753e 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 The TURN Server is a VoIP media traffic NAT traversal server and gateway. It can be used as a general-purpose network traffic TURN server and gateway, too.
 
-**Shipped version:** 4.5.2.3~ynh3
+**Shipped version:** 4.5.2.3~ynh4
 ## Documentation and resources
 
 * Official admin documentation: <https://github.com/coturn/coturn/wiki>
diff --git a/README_fr.md b/README_fr.md
index dfb19c2..c53c8f9 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -16,9 +16,9 @@ Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) po
 
 ## Vue d’ensemble
 
-The TURN Server is a VoIP media traffic NAT traversal server and gateway. It can be used as a general-purpose network traffic TURN server and gateway, too.
+Le serveur TURN est un serveur et une passerelle NAT pour le trafic multimédia VoIP. Il peut également être utilisé comme serveur et passerelle TURN de trafic réseau à usage général.
 
-**Version incluse :** 4.5.2.3~ynh3
+**Version incluse :** 4.5.2.3~ynh4
 ## Documentations et ressources
 
 * Documentation officielle de l’admin : <https://github.com/coturn/coturn/wiki>
diff --git a/check_process b/check_process
deleted file mode 100644
index 515f2d0..0000000
--- a/check_process
+++ /dev/null
@@ -1,23 +0,0 @@
-;; Test complet
-	; Manifest
-		domain="domain.tld"
-	; Checks
-		pkg_linter=1
-		setup_sub_dir=0
-		setup_root=0
-		setup_nourl=1
-		setup_private=0
-		setup_public=0
-		upgrade=1
-		upgrade=1	from_commit=2b6e951ded8c7d3dc0ad87aa8160ab64af976f68
-		backup_restore=1
-		multi_instance=0
-		port_already_use=0
-		change_url=0
-;;; Options
-Email=
-Notification=none
-;;; Upgrade options
-	; commit=2b6e951ded8c7d3dc0ad87aa8160ab64af976f68
-		name=Make curl silent
-		manifest_arg=domain=DOMAIN&
diff --git a/doc/ADMIN.md b/doc/ADMIN.md
index e3f378d..79ee96c 100644
--- a/doc/ADMIN.md
+++ b/doc/ADMIN.md
@@ -1,9 +1,3 @@
-## Configuration
-
-You need to install TURN server in a root or subdomain like `__DOMAIN__`
-
-How to configure this app: a plain file with SSH.
-
 ## Testing
 
 For testing we can use Trickle-Ice testing tool. Go to [trickle-ice page](https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice) and enter following details.
diff --git a/doc/ADMIN_fr.md b/doc/ADMIN_fr.md
index d20abe8..869a0a3 100644
--- a/doc/ADMIN_fr.md
+++ b/doc/ADMIN_fr.md
@@ -1,7 +1,3 @@
-## Configuration
-
-Vous devez installer coTURN à la racine ou un sous-domaine comme `__DOMAIN__`
-
 ## Testing
 
 Pour les tests, vous pouvez utiliser l'outil de test Trickle-Ice. Accédez à la page [trickle-ice](https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice) et entrez les détails suivants.
diff --git a/doc/DESCRIPTION_fr.md b/doc/DESCRIPTION_fr.md
new file mode 100644
index 0000000..f61ef2f
--- /dev/null
+++ b/doc/DESCRIPTION_fr.md
@@ -0,0 +1 @@
+Le serveur TURN est un serveur et une passerelle NAT pour le trafic multimédia VoIP. Il peut également être utilisé comme serveur et passerelle TURN de trafic réseau à usage général.
\ No newline at end of file
diff --git a/manifest.toml b/manifest.toml
index c026fc4..6a0d037 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "Coturn"
 description.en = "VoIP media traffic NAT traversal server and gateway"
 description.fr = "Serveur et passerelle NAT du trafic média VoIP"
 
-version = "4.5.2.3~ynh3"
+version = "4.5.2.3~ynh4"
 
 maintainers = ["eric_G"]
 
@@ -15,18 +15,20 @@ admindoc = "https://github.com/coturn/coturn/wiki"
 code = "https://github.com/coturn/coturn"
 
 [integration]
-yunohost = ">= 11.1.19"
+yunohost = ">= 11.2"
 architectures = "all"
 multi_instance = false
+
 ldap = "not_relevant"
+
 sso = "not_relevant"
+
 disk = "50M"
 ram.build = "50M"
 ram.runtime = "50M"
 
     [install.domain]
     type = "domain"
-    full_domain = true
 
 [resources]
     [resources.ports]
@@ -45,4 +47,4 @@ ram.runtime = "50M"
     [resources.permissions]
 
     [resources.apt]
-    packages = "sqlite3 libsqlite3-dev coturn acl"
+    packages = "sqlite3, libsqlite3-dev, coturn, acl"
diff --git a/scripts/backup b/scripts/backup
index a00c642..af4a982 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -34,6 +34,7 @@ ynh_backup --src_path="$data_dir"
 #=================================================
 
 ynh_backup --src_path="/var/log/$app"
+
 ynh_backup --src_path="/etc/cron.d/$app"
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index 6d9b4cc..7c7056c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -20,9 +20,6 @@ ynh_app_setting_set --app=$app --key=no_sso --value=true
 #=================================================
 ynh_script_progression --message="Creating a dhparam file..." --weight=3
 
-# WARNING : theses command are used in INSTALL, UPGRADE, RESTORE
-# For any update do it in all files
-
 # Make dhparam cert for Coturn if it doesn't exist
 if [ ! -e /etc/ssl/private/dh2048.pem ]
 then
@@ -45,8 +42,10 @@ adduser turnserver ssl-cert
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
 mkdir -p /var/log/$app
+
 # Create systemd service for turnserver
-cp ../conf/default.coturn /etc/default/coturn
+ynh_add_config --template="default.coturn" --destination="/etc/default/coturn"
+
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
@@ -55,16 +54,13 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Configuring Coturn..." --weight=1
 
-# WARNING: theses command are used in INSTALL, UPGRADE
-# For any update do it in all files
-
 # Find password for turnserver
 turnserver_pwd=$(ynh_string_random --length=30)
 ynh_app_setting_set --app=$app --key=turnserver_pwd --value=$turnserver_pwd
 
 coturn_config_path="/etc/turnserver.conf"
 
-ynh_add_config --template="../conf/turnserver.conf" --destination="$coturn_config_path"
+ynh_add_config --template="turnserver.conf" --destination="$coturn_config_path"
 
 # Get public IP and set as external IP for coturn
 # note: '|| true' is used to ignore the errors if we can't get the public ipv4 or ipv6
@@ -82,7 +78,6 @@ ynh_store_file_checksum --file="$coturn_config_path"
 # ADD SCRIPT FOR COTURN CRON
 #=================================================
 
-# WARNING : theses command are used in INSTALL, UPGRADE
 # For any update do it in all files
 cp -f ../sources/Coturn_config_rotate.sh $data_dir/
 ynh_replace_string --match_string="__APP__" --replace_string=$app --target_file=$data_dir/Coturn_config_rotate.sh
@@ -93,7 +88,7 @@ chmod +x $data_dir/Coturn_config_rotate.sh
 # SET COTURN CRON
 #=================================================
 
-ynh_add_config --template="../conf/cron_coturn" --destination="/etc/cron.d/$app"
+ynh_add_config --template="cron_coturn" --destination="/etc/cron.d/$app"
 
 #=================================================
 # SETUP LOGROTATE
diff --git a/scripts/remove b/scripts/remove
index 6c47d00..e9a5110 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -14,57 +14,29 @@ source /usr/share/yunohost/helpers
 #=================================================
 # REMOVE SERVICE INTEGRATION IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Removing $app service integration..." --weight=1
+ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
 
 # 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 integration..." --weight=1
 	yunohost service remove $app
 fi
 
-#=================================================
-# STOP AND REMOVE SERVICE
-#=================================================
-ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1
-
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
 
-#=================================================
-# REMOVE APP MAIN DIR
-#=================================================
-ynh_script_progression --message="Removing Coturn configuration file..." --weight=2
-
 ynh_secure_remove --file="/etc/turnserver.conf"
 
-#=================================================
-# REMOVE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing logrotate configuration..." --weight=1
-
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# REMOVE SCRIPT
-#=================================================
-
-# Remove coturn/Coturn_config_rotate.sh 
-ynh_secure_remove --file="/home/yunohost.app/$app"
-
-#=================================================
-# REMOVE CRON JOB
-#=================================================
-
 # Remove a cron file
 ynh_secure_remove --file=/etc/cron.d/$app
 
 # Remove the log files
 ynh_secure_remove --file=/var/log/$app
 
-# Remove the sqlitedb file
-#ynh_secure_remove --file=/var/lib/turn
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 3c4a2e0..ec7d0be 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,9 +19,12 @@ ynh_restore_file --origin_path="/etc/turnserver.conf"
 #=================================================
 # RESTORE THE COTURN DATAPATH
 #=================================================
-ynh_script_progression --message="Restoring Coturn Datapath..." --weight=1
+ynh_script_progression --message="Restoring the data directory..." --weight=1
 
-ynh_restore_file --origin_path="/home/yunohost.app/$app"
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
+
+# (Same as for install dir)
+chown -R $app:www-data "$data_dir"
 
 #=================================================
 # RESTORE LOG
@@ -42,9 +45,6 @@ adduser turnserver ssl-cert
 #=================================================
 ynh_script_progression --message="Creating a dhparam file..." --weight=3
 
-# WARNING : theses command are used in INSTALL, UPGRADE, RESTORE
-# For any update do it in all files
-
 # Make dhparam cert for Coturn if it doesn't exist
 if [ ! -e /etc/ssl/private/dh2048.pem ]
 then
@@ -72,11 +72,6 @@ ynh_script_progression --message="Restoring the systemd configuration..." --weig
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
 yunohost service add $app --description="Coturn TURN server" --log="/var/log/$app/$app.log" --needs_exposed_ports="$port_turnserver_tls"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8297176..4e05931 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -38,8 +38,9 @@ adduser turnserver ssl-cert
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
 mkdir -p /var/log/$app
+
 # Create systemd service for turnserver
-cp ../conf/default.coturn /etc/default/coturn
+ynh_add_config --template="default.coturn" --destination="/etc/default/coturn"
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -49,9 +50,6 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Configuring Coturn..." --weight=2
 
-# WARNING: theses command are used in INSTALL, UPGRADE
-# For any update do it in all files
-
 coturn_config_path="/etc/turnserver.conf"
 
 ynh_add_config --template="../conf/turnserver.conf" --destination="$coturn_config_path"
@@ -72,8 +70,6 @@ ynh_store_file_checksum --file="$coturn_config_path"
 # ADD SCRIPT FOR COTURN CRON
 #=================================================
 
-# WARNING : theses command are used in INSTALL, UPGRADE
-# For any update do it in all files
 cp -f ../sources/Coturn_config_rotate.sh $data_dir/
 ynh_replace_string --match_string="__APP__" --replace_string=$app --target_file=$data_dir/Coturn_config_rotate.sh
 
@@ -83,7 +79,7 @@ chmod +x $data_dir/Coturn_config_rotate.sh
 # SET COTURN CRON
 #=================================================
 
-ynh_add_config --template="../conf/cron_coturn" --destination="/etc/cron.d/$app"
+ynh_add_config --template="cron_coturn" --destination="/etc/cron.d/$app"
 
 #=================================================
 # MIGRATION 3 : USE STANDARD ACCESS FOR CERTIFCATE