diff --git a/conf/homeserver.yaml b/conf/homeserver.yaml
index e5678ce..6043900 100644
--- a/conf/homeserver.yaml
+++ b/conf/homeserver.yaml
@@ -1200,7 +1200,7 @@ turn_user_lifetime: 1h
 # connect to arbitrary endpoints without having first signed up for a
 # valid account (e.g. by passing a CAPTCHA).
 #
-turn_allow_guests: __ALLOWED_ACCESS__
+turn_allow_guests: __TURN_ALLOW_GUESTS__
 
 
 ## Registration ##
@@ -1212,7 +1212,7 @@ turn_allow_guests: __ALLOWED_ACCESS__
 # you use either captcha, email, or token-based verification to verify that new users are not bots. In order to enable registration
 # without any verification, you must also set `enable_registration_without_verification`, found below.
 #
-enable_registration: __ALLOWED_ACCESS__
+enable_registration: __ENABLE_REGISTRATION__
 
 # Enable registration without email or captcha verification. Note: this option is *not* recommended,
 # as registration without verification is a known vector for spam and abuse. Defaults to false. Has no effect
diff --git a/config_panel.toml b/config_panel.toml
index 1cee14b..f3e724f 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -12,7 +12,7 @@ services = ["__APP__"]
             type = "boolean"
             yes = true
             no = false
-            help = "Set to 'true' to back up before each upgrade."
+            help = "Set to 'true' to backup the Synapse YunoHost App before each upgrade."
 
             [homeserver.config.server_statistics]
             ask = "Server statistics"
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index 62381c9..b4129f0 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -134,11 +134,11 @@ Then, to log in the API with your credentials, you need to set your user as admi
 
 ### Upgrade
 
-By default a backup is made before the upgrade. To avoid this you have theses following possibilites:
+By default a backup is made before the upgrade. If for some reason you want to upgrade without backup:
 - Call the command with the `-b` flag: `yunohost app upgrade synapse -b`
-- Set the settings `disable_backup_before_upgrade` to `1`. You can set this with this command:
+- Disable the setting `Backup before upgrade` in the Config Panel. Or with command line:
 
-`yunohost app setting synapse disable_backup_before_upgrade -v 1`
+`yunohost app setting synapse backup_before_upgrade -v 0`
 
 After this settings will be applied for **all** next upgrade.
 
diff --git a/scripts/install b/scripts/install
index 298c78b..b224b16 100644
--- a/scripts/install
+++ b/scripts/install
@@ -85,6 +85,24 @@ ynh_app_setting_set --app=$app --key=report_stats --value=$report_stats
 ynh_app_setting_set --app=$app --key=e2e_enabled_by_default --value=$e2e_enabled_by_default
 ynh_app_setting_set --app=$app --key=synapse_user_app_pwd --value=$synapse_user_app_pwd
 
+if [ $is_free_registration -eq 0 ]
+then
+    enable_registration="false"
+    turn_allow_guests="false"
+    sso_enabled="true"
+    password_enabled="false"
+else
+    enable_registration="true"
+    turn_allow_guests="true"
+    sso_enabled="false"
+    password_enabled="true"
+fi
+
+ynh_app_setting_set --app=$app --key=enable_registration --value=$enable_registration
+ynh_app_setting_set --app=$app --key=turn_allow_guests --value=$turn_allow_guests
+ynh_app_setting_set --app=$app --key=sso_enabled --value=$sso_enabled
+ynh_app_setting_set --app=$app --key=password_enabled --value=$password_enabled
+
 #=================================================
 ## SET STANDARD SETTINGS FROM DEFAULT CONFIG
 #=================================================
@@ -104,6 +122,8 @@ web_client_location=$element_ynh_url
 client_base_url=$element_ynh_url
 invite_client_location=$element_ynh_url
 
+backup_before_upgrade="true"
+server_statistics="false"
 allow_public_rooms_without_auth="false"
 allow_public_rooms_over_federation="false"
 disable_msisdn_registration="true"
@@ -120,6 +140,8 @@ enable_notifs="true"
 notif_for_new_users="true"
 enable_group_creation="true"
 
+ynh_app_setting_set --app=$app --key=backup_before_upgrade --value=$backup_before_upgrade
+ynh_app_setting_set --app=$app --key=server_statistics --value=$server_statistics
 ynh_app_setting_set --app=$app --key=web_client_location --value=$web_client_location
 ynh_app_setting_set --app=$app --key=client_base_url --value=$client_base_url
 ynh_app_setting_set --app=$app --key=invite_client_location --value=$invite_client_location
@@ -317,24 +339,6 @@ ynh_app_setting_set --app=$app --key=turnserver_pwd --value=$turnserver_pwd
 
 macaroon_secret_key_param='macaroon_secret_key: "'$macaroon_secret_key'"'
 
-if [ $is_free_registration -eq 0 ]
-then
-    allow_registration=False
-    turn_allow_guests=False
-    sso_enabled=True
-    password_enabled=False
-else
-    allow_registration=True
-    turn_allow_guests=True
-    sso_enabled=False
-    password_enabled=True
-fi
-
-ynh_app_setting_set --app=$app --key=allow_registration --value=$allow_registration
-ynh_app_setting_set --app=$app --key=turn_allow_guests --value=$turn_allow_guests
-ynh_app_setting_set --app=$app --key=sso_enabled --value=$sso_enabled
-ynh_app_setting_set --app=$app --key=password_enabled --value=$password_enabled
-
 ynh_add_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
 ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 231adad..2bca6cc 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -60,6 +60,8 @@ data_path="/home/yunohost.app/matrix-$app"
 #=================================================
 # GET CONFIG PANEL SETTINGS
 #=================================================
+
+server_statistics=$(ynh_app_setting_get --app=$app --key=server_statistics)
 web_client_location=$(ynh_app_setting_get --app=$app --key=web_client_location)
 client_base_url=$(ynh_app_setting_get --app=$app --key=client_base_url)
 invite_client_location=$(ynh_app_setting_get --app=$app --key=invite_client_location)
@@ -73,12 +75,11 @@ default_identity_server=$(ynh_app_setting_get --app=$app --key=default_identity_
 auto_join_rooms=$(ynh_app_setting_get --app=$app --key=auto_join_rooms)
 autocreate_auto_join_rooms=$(ynh_app_setting_get --app=$app --key=autocreate_auto_join_rooms)
 auto_join_rooms_for_guests=$(ynh_app_setting_get --app=$app --key=auto_join_rooms_for_guests)
-password_enabled=$(ynh_app_setting_get --app=$app --key=password_enabled)
 enable_notifs=$(ynh_app_setting_get --app=$app --key=enable_notifs)
 notif_for_new_users=$(ynh_app_setting_get --app=$app --key=notif_for_new_users)
 enable_group_creation=$(ynh_app_setting_get --app=$app --key=enable_group_creation)
 
-allow_registration=$(ynh_app_setting_get --app=$app --key=allow_registration)
+enable_registration=$(ynh_app_setting_get --app=$app --key=enable_registration)
 turn_allow_guests=$(ynh_app_setting_get --app=$app --key=turn_allow_guests)
 sso_enabled=$(ynh_app_setting_get --app=$app --key=sso_enabled)
 password_enabled=$(ynh_app_setting_get --app=$app --key=password_enabled)
@@ -94,6 +95,15 @@ then
 	ynh_die --message="Update from this synapse version is not available. You need to remove this package and reinstall the new package version."
 fi
 
+#=================================================
+# MIGRATION 7 : Working config panel v1
+#=================================================
+backup_before_upgrade=$(ynh_app_setting_get --app=$app --key=backup_before_upgrade)
+if [ -z "$backup_before_upgrade" ] ; then
+  if [ $(ynh_app_setting_get --app=$app --key=disable_backup_before_upgrade) ] ; then
+  backup_before_upgrade="false"
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -103,7 +113,7 @@ ynh_script_progression --message="Backing up the app before upgrading (may take
 ynh_systemd_action --service_name=matrix-$app.service --action=stop
 
 # Backup the current version of the app
-if [ "0$(ynh_app_setting_get --app=$app --key=disable_backup_before_upgrade)" -ne 1 ]
+if [ backup_before_upgrade ]
 then
     ynh_backup_before_upgrade
     ynh_clean_setup () {
@@ -223,6 +233,11 @@ ynh_app_setting_set --app=$app --key=web_client_location --value=$web_client_loc
 ynh_app_setting_set --app=$app --key=client_base_url --value=$client_base_url
 ynh_app_setting_set --app=$app --key=invite_client_location --value=$invite_client_location
 
+if [ -z "$server_statistics" ]
+then
+  server_statistics="false"
+  ynh_app_setting_set --app=$app --key=server_statistics --value=$server_statistics
+fi
 if [ -z "$allow_public_rooms_without_auth" ]
 then
   allow_public_rooms_without_auth=allow_public_rooms
@@ -273,11 +288,6 @@ then
   auto_join_rooms_for_guests="true"
   ynh_app_setting_set --app=$app --key=auto_join_rooms_for_guests --value=$auto_join_rooms_for_guests
 fi
-if [ -z "$password_enabled" ]
-then
-  password_enabled="true"
-  ynh_app_setting_set --app=$app --key=password_enabled --value=$password_enabled
-fi
 if [ -z "$enable_notifs" ]
 then
   enable_notifs="true"
@@ -294,20 +304,20 @@ then
   ynh_app_setting_set --app=$app --key=enable_group_creation --value=$enable_group_creation
 fi
 
-if [ -z "$allow_registration" ] ; then
+if [ -z "$enable_registration" ] ; then
   if [ $is_free_registration -eq 0 ]
   then
-      allow_registration=False
-      turn_allow_guests=False
-      sso_enabled=True
-      password_enabled=False
+      enable_registration="false"
+      turn_allow_guests="false"
+      sso_enabled="true"
+      password_enabled="false"
   else
-      allow_registration=True
-      turn_allow_guests=True
-      sso_enabled=False
-      password_enabled=True
+      enable_registration="true"
+      turn_allow_guests="true"
+      sso_enabled="false"
+      password_enabled="true"
   fi
-  ynh_app_setting_set --app=$app --key=allow_registration --value=$allow_registration
+  ynh_app_setting_set --app=$app --key=enable_registration --value=$enable_registration
   ynh_app_setting_set --app=$app --key=turn_allow_guests --value=$turn_allow_guests
   ynh_app_setting_set --app=$app --key=sso_enabled --value=$sso_enabled
   ynh_app_setting_set --app=$app --key=password_enabled --value=$password_enabled
@@ -391,15 +401,6 @@ else
     macaroon_secret_key_param='macaroon_secret_key: "'$macaroon_secret_key'"'
 fi
 
-if [ $is_free_registration -eq 0 ]
-then
-    allowed_access=False
-    sso_enabled=True
-else
-    allowed_access=True
-    sso_enabled=False
-fi
-
 ynh_add_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
 ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"