diff --git a/lora/set_eui.sh b/lora/set_eui.sh
index 1c7c115..85c35db 100755
--- a/lora/set_eui.sh
+++ b/lora/set_eui.sh
@@ -5,10 +5,14 @@ if [ ! -e "/opt/ttn-gateway/packet_forwarder/lora_pkt_fwd/local_conf.json" ]; th
         if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
             GATEWAY_EUI_NIC="wlan0"
         fi
+        
+        if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
+            GATEWAY_EUI_NIC="usb0"
+        fi
 
         if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
            echo "ERROR: No network interface found. Cannot set gateway ID."
-#           exit 1
+           exit 1
         fi
         GATEWAY_EUI=$(ip link show $GATEWAY_EUI_NIC | awk '/ether/ {print $2}' | awk -F\: '{print $1$2$3"FFFE"$4$5$6}')
         GATEWAY_EUI=${GATEWAY_EUI^^}
diff --git a/lora/update_gwid.sh b/lora/update_gwid.sh
index 5b0bed6..cbf251b 100755
--- a/lora/update_gwid.sh
+++ b/lora/update_gwid.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # This script is a helper to update the Gateway_ID field of given
 # JSON configuration file, as a EUI-64 address generated from the 48-bits MAC
@@ -9,9 +9,23 @@
 
 iot_sk_update_gwid() {
     # get gateway ID from its MAC address to generate an EUI-64 address
+    GATEWAY_EUI_NIC="eth0"
+    if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
+        GATEWAY_EUI_NIC="wlan0"
+    fi
+    
+    if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
+        GATEWAY_EUI_NIC="usb0"
+    fi
+
+    if [[ `grep "$GATEWAY_EUI_NIC" /proc/net/dev` == "" ]]; then
+       echo "ERROR: No network interface found. Cannot set gateway ID."
+       exit 1
+    fi
+
     GWID_MIDFIX="fffe"
-    GWID_BEGIN=$(ip link show eth0 | awk '/ether/ {print $2}' | awk -F\: '{print $1$2$3}')
-    GWID_END=$(ip link show eth0 | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
+    GWID_BEGIN=$(ip link show $GATEWAY_EUI_NIC | awk '/ether/ {print $2}' | awk -F\: '{print $1$2$3}')
+    GWID_END=$(ip link show $GATEWAY_EUI_NIC | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
 
     # replace last 8 digits of default gateway ID by actual GWID, in given JSON configuration file
     sed -i 's/\(^\s*"gateway_ID":\s*"\).\{16\}"\s*\(,\?\).*$/\1'${GWID_BEGIN}${GWID_MIDFIX}${GWID_END}'"\2/' $1
@@ -29,3 +43,4 @@ fi
 iot_sk_update_gwid $1
 
 exit 0
+
diff --git a/loraserver/loraserver_conf/loraserver.as_923.toml b/loraserver/loraserver_conf/loraserver.as_923.toml
index ba06f15..fe79c70 100644
--- a/loraserver/loraserver_conf/loraserver.as_923.toml
+++ b/loraserver/loraserver_conf/loraserver.as_923.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.au_915_928.toml b/loraserver/loraserver_conf/loraserver.au_915_928.toml
index 9587716..c9e68e2 100644
--- a/loraserver/loraserver_conf/loraserver.au_915_928.toml
+++ b/loraserver/loraserver_conf/loraserver.au_915_928.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[8, 9, 10, 11, 12, 13, 14, 15]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.cn_470_510.toml b/loraserver/loraserver_conf/loraserver.cn_470_510.toml
index 9cb297d..90926a3 100644
--- a/loraserver/loraserver_conf/loraserver.cn_470_510.toml
+++ b/loraserver/loraserver_conf/loraserver.cn_470_510.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[80, 81, 82, 83, 84, 85, 86, 87]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.eu_433.toml b/loraserver/loraserver_conf/loraserver.eu_433.toml
index d4b5801..7c73972 100644
--- a/loraserver/loraserver_conf/loraserver.eu_433.toml
+++ b/loraserver/loraserver_conf/loraserver.eu_433.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.eu_863_870.toml b/loraserver/loraserver_conf/loraserver.eu_863_870.toml
index d968009..bd9ef74 100644
--- a/loraserver/loraserver_conf/loraserver.eu_863_870.toml
+++ b/loraserver/loraserver_conf/loraserver.eu_863_870.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.in_865_867.toml b/loraserver/loraserver_conf/loraserver.in_865_867.toml
index af3567d..84d9ff7 100644
--- a/loraserver/loraserver_conf/loraserver.in_865_867.toml
+++ b/loraserver/loraserver_conf/loraserver.in_865_867.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.kr_920_923.toml b/loraserver/loraserver_conf/loraserver.kr_920_923.toml
index 3e3a704..1815b49 100644
--- a/loraserver/loraserver_conf/loraserver.kr_920_923.toml
+++ b/loraserver/loraserver_conf/loraserver.kr_920_923.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.ru_864_870.toml b/loraserver/loraserver_conf/loraserver.ru_864_870.toml
index 90d70e6..3b25ef9 100644
--- a/loraserver/loraserver_conf/loraserver.ru_864_870.toml
+++ b/loraserver/loraserver_conf/loraserver.ru_864_870.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.toml b/loraserver/loraserver_conf/loraserver.toml
index d968009..bd9ef74 100644
--- a/loraserver/loraserver_conf/loraserver.toml
+++ b/loraserver/loraserver_conf/loraserver.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/loraserver/loraserver_conf/loraserver.us_902_928.toml b/loraserver/loraserver_conf/loraserver.us_902_928.toml
index 4702477..4abbddb 100644
--- a/loraserver/loraserver_conf/loraserver.us_902_928.toml
+++ b/loraserver/loraserver_conf/loraserver.us_902_928.toml
@@ -67,7 +67,7 @@ net_id="000000"
 
   # LoRaWAN network related settings.
   [network_server.network_settings]
-
+  enabled_uplink_channels=[8, 9, 10, 11, 12, 13, 14, 15]
     # Extra channel configuration.
     #
     # Use this for LoRaWAN regions where it is possible to extend the by default
diff --git a/sysconf/config.txt b/sysconf/config.txt
index c889c1d..46864bc 100644
--- a/sysconf/config.txt
+++ b/sysconf/config.txt
@@ -57,4 +57,4 @@ dtparam=i2c_arm_baudrate=10000
 # Enable audio (loads snd_bcm2835)
 dtparam=audio=on
 dtoverlay=pi3-disable-bt
-#dtoverlay=dwc2
+dtoverlay=dwc2
diff --git a/sysconf/install.sh b/sysconf/install.sh
index c4ae810..a5947ab 100755
--- a/sysconf/install.sh
+++ b/sysconf/install.sh
@@ -22,8 +22,8 @@ fi
 
 cp config.txt /boot/config.txt
 
-#CMD_STR=`cat /boot/cmdline.txt`
-#echo "$CMD_STR modules-load=dwc2,g_ether" > /boot/cmdline.txt
+CMD_STR=`cat /boot/cmdline.txt`
+echo "$CMD_STR modules-load=dwc2,g_ether" > /boot/cmdline.txt
 
 ./set_ip.sh