diff --git a/lib/pixmap/libre_re.png b/lib/pixmap/libre_re.png
new file mode 100644
index 0000000..f487681
Binary files /dev/null and b/lib/pixmap/libre_re.png differ
diff --git a/src/main b/src/main
index cfdc6da..00339ff 100755
--- a/src/main
+++ b/src/main
@@ -61,7 +61,7 @@ REQUIRED_PACKAGES=(
 ## MAIN
 ## ---------
 
-[ $(id -u) -eq 0 ] && echo 'normal user required' && exit -1
+[ "$(id -u)" -eq 0 ] && echo 'normal user required' && exit 1
 
 echo "# configure apt sources to the mithril's"
 echo "========================================"
@@ -127,12 +127,23 @@ else
     echo "${PGKNAME} already installed!"
 fi
 
-firefox_lang=$(echo $LANG | cut -d_ -f1)
-[[ $firefox_lang == "en" ]] && firefox_lang="en-US"
-echo $firefox_lang
+echo "## grub faster and smarter"
+echo "=========================="
+if grep -q GRUB_TIMEOUT=5 /etc/default/grub; then
+    echo "grub was not modified yet, applying changes..."
+    sudo /opt/debian-bash/tools/append_or_replace "^GRUB_TIMEOUT=5$" "GRUB_TIMEOUT=0" /etc/default/grub
+    sudo /opt/debian-bash/tools/append_or_replace "^GRUB_CMDLINE_LINUX_DEFAULT=.*$" "GRUB_CMDLINE_LINUX_DEFAULT=\"quiet nosgx\"" /etc/default/grub
+    sudo update-grub
+    echo OK
+else
+    echo changes already done!
+fi
 
 echo "## firefox latest"
 echo "================="
+firefox_lang=$(echo $LANG | cut -d_ -f1)
+[[ $firefox_lang == "en" ]] && firefox_lang="en-US"
+echo $firefox_lang
 if [[ ! /usr/local/bin/firefox -ef /opt/firefox/firefox ]]; then
     set -e
     cd /tmp
@@ -233,6 +244,8 @@ EXTENSIONS=(
     "dash-to-dock@micxgx.gmail.com"
     "gsconnect@andyholmes.github.io"
     "network-stats@gnome.noroadsleft.xyz"
+    "bluetooth-quick-connect@bjarosze.gmail.com"
+
 )
 
 compile_schemas_needed=false
@@ -266,13 +279,15 @@ gsettings set org.gnome.shell.extensions.dash-to-dock apply-custom-theme true
 gsettings set org.gnome.shell.extensions.dash-to-dock multi-monitor true
 
 gsettings set org.gnome.shell.extensions.network-stats display-bytes true
-
 if [[ $(gsettings get org.gnome.shell.extensions.network-stats show-icon) == "true" ]]; then
     gsettings set org.gnome.shell.extensions.network-stats show-icon false
     "$HOME/.local/bin/gext" disable network-stats@gnome.noroadsleft.xyz
     "$HOME/.local/bin/gext" enable network-stats@gnome.noroadsleft.xyz
 fi
 
+gsettings set org.gnome.shell.extensions.bluetooth-quick-connect keep-menu-on-toggle true
+gsettings set org.gnome.shell.extensions.bluetooth-quick-connect bluetooth-auto-power-on true
+
 echo "# firefox addons"
 echo "================"
 declare -A FIREFOX_ADDONS