diff --git a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
index 7fc7ad7b8..0d715c027 100644
--- a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
+++ b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
@@ -46,12 +46,14 @@
 
 	alltty = {}
 	iftty = luci.sys.exec("timeout 1 /usr/bin/mmcli -L")
-	for listtty in iftty:gmatch("([^\r\n]*)[\r\n]") do
-		modemid = luci.util.trim(luci.sys.exec("echo '" .. listtty .. "' | awk -F' ' '{print $1}' | awk -F/ '{print $6}'"))
-		if modemid ~= '' then
-			modeminfo = luci.sys.exec("timeout 1 /usr/bin/mmcli -m " .. modemid .. " --output-keyvalue")
-			tty = luci.util.trim(luci.sys.exec("echo '" .. modeminfo .. "' | grep 'modem.generic.device ' | awk -F': ' '{print $2}'"))
-			table.insert(alltty, tty)
+	if iftty ~= nil then
+		for listtty in iftty:gmatch("([^\r\n]*)[\r\n]") do
+			modemid = luci.util.trim(luci.sys.exec("echo '" .. listtty .. "' | awk -F' ' '{print $1}' | awk -F/ '{print $6}'"))
+			if modemid ~= '' then
+				modeminfo = luci.sys.exec("timeout 1 /usr/bin/mmcli -m " .. modemid .. " --output-keyvalue")
+				tty = luci.util.trim(luci.sys.exec("echo '" .. modeminfo .. "' | grep 'modem.generic.device ' | awk -F': ' '{print $2}'"))
+				table.insert(alltty, tty)
+			end
 		end
 	end
 
diff --git a/omr-tracker/files/bin/omr-tracker b/omr-tracker/files/bin/omr-tracker
index 94ecf24ad..330f8933b 100755
--- a/omr-tracker/files/bin/omr-tracker
+++ b/omr-tracker/files/bin/omr-tracker
@@ -287,15 +287,15 @@ while true; do
 	}
 
 	if [ -n "$OMR_TRACKER_DEVICE" ] && [ -d "/sys/class/net/$OMR_TRACKER_DEVICE" ]; then
-		#if [ -n "$(ip link show $OMR_TRACKER_DEVICE | grep 'state UP')" ] || [ -n "$(ip link show $OMR_TRACKER_DEVICE | grep 'state UNKNOWN')" ]; then
-		if [ "$(ifstatus $OMR_TRACKER_INTERFACE | jsonfilter -q -e '@.up')" == "true" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
+		OMR_TRACKER_DEVICE_STATE=$(ip -j link show dev "$OMR_TRACKER_DEVICE" | jsonfilter -q -e '@[*].operstate' | tr -d '\n')
+		if ([ "$(ifstatus $OMR_TRACKER_INTERFACE | jsonfilter -q -e '@.up')" == "true" ] && [ "$OMR_TRACKER_DEVICE_STATE" != "DOWN" ]) || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
 			# retrieve iface ip and gateway
 			if { [ "$OMR_TRACKER_FAMILY" = "ipv4" ] || [ "$OMR_TRACKER_FAMILY" = "ipv4ipv6" ]; } && [ "$OMR_TRACKER_INTERFACE_PROTO" != "dhcpv6" ]; then
 				OMR_TRACKER_DEVICE_IP=$(ip -4 -br addr ls dev "$OMR_TRACKER_DEVICE" | awk -F'[ /]+' '{print $3}')
 				if [ -z "$OMR_TRACKER_DEVICE_IP" ]; then
 					OMR_TRACKER_DEVICE_IP=$(ip -4 addr show dev "$OMR_TRACKER_DEVICE" | grep -m 1 inet | awk '{print $2}' | cut -d'/' -s -f1)
 				fi
-				#OMR_TRACKER_DEVICE_IP=$(ubus call network.interface.$OMR_TRACKER_INTERFACE status | jsonfilter -e '@["ipv4-address"][0].address' | tr -d "\n")
+				#OMR_TRACKER_DEVICE_IP=$(ubus call network.interface.$OMR_TRACKER_INTERFACE status | jsonfilter -q -e '@["ipv4-address"][0].address' | tr -d "\n")
 				#if [ -z "$OMR_TRACKER_DEVICE_GATEWAY" ]; then
 				#	OMR_TRACKER_DEVICE_GATEWAY=$(ip -4 r list dev "$OMR_TRACKER_DEVICE" | grep -v default | awk '/proto static/ {print $1}' | tr -d "\n")
 				#fi
diff --git a/luci-app-sysupgrade/root/etc/init.d/sysupgrade b/openmptcprouter/files/etc/init.d/sysupgrade
similarity index 54%
rename from luci-app-sysupgrade/root/etc/init.d/sysupgrade
rename to openmptcprouter/files/etc/init.d/sysupgrade
index 9ffc3c537..44aac9fa8 100755
--- a/luci-app-sysupgrade/root/etc/init.d/sysupgrade
+++ b/openmptcprouter/files/etc/init.d/sysupgrade
@@ -1,5 +1,5 @@
 #!/bin/sh /etc/rc.common
-# Copyright (C) 2020-2021 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
+# Copyright (C) 2020-2024 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
 # Released under GPL 3. See LICENSE for the full terms.
 
 {
@@ -11,8 +11,8 @@
 start_service()
 {
 	if [ -f /etc/backup/installed_packages.txt ]; then
-		if [ "$(opkg -V0 update 2>&1)" = "" ]; then
-			grep "\toverlay" /etc/backup/installed_packages.txt | cut -f1 | xargs -r opkg -V0 install
+		opkg -V0 update >/dev/null 2>&1
+		if [ -z "$(grep '\toverlay' /etc/backup/installed_packages.txt | cut -f1 | xargs -r opkg -V0 install)" ]; then
 			rm /etc/backup/installed_packages.txt
 		fi
 	fi