diff --git a/ppp_install.sh b/ppp_install.sh
index c9a2054..714f5db 100755
--- a/ppp_install.sh
+++ b/ppp_install.sh
@@ -205,10 +205,6 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 if [[ $shield_hat -eq 2 ]] || [[ $shield_hat -eq 6 ]]; then
 	if ! (grep -q 'max_usb_current' /boot/config.txt ); then
 		echo "max_usb_current=1" >> /boot/config.txt
diff --git a/ppp_install_jetson.sh b/ppp_install_jetson.sh
index 9db430c..54301aa 100755
--- a/ppp_install_jetson.sh
+++ b/ppp_install_jetson.sh
@@ -132,9 +132,5 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 read -p "Press ENTER key to reboot" ENTER
 reboot
\ No newline at end of file
diff --git a/ppp_install_standalone.sh b/ppp_install_standalone.sh
index fc25a5d..402e6cf 100755
--- a/ppp_install_standalone.sh
+++ b/ppp_install_standalone.sh
@@ -210,10 +210,6 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 if [[ $shield_hat -eq 2 ]] || [[ $shield_hat -eq 6 ]]; then
 	if ! (grep -q 'max_usb_current' /boot/config.txt ); then
 		echo "max_usb_current=1" >> /boot/config.txt
diff --git a/src/configure_modem.sh b/src/configure_modem.sh
index 3d3b251..e7f6f15 100644
--- a/src/configure_modem.sh
+++ b/src/configure_modem.sh
@@ -177,5 +177,5 @@ fi
 
 # Check the network is ready
 # --------------------------
-if check_network -eq 0; then exit 0; else debug "Network registeration is failed!. Modem configuration is unsuccesfully ended!"; exit 1; fi
+if check_network -eq 0; then exit 0; else debug "Network registration is failed!. Modem configuration is unsuccesfully ended!"; exit 1; fi
 
diff --git a/src/functions.sh b/src/functions.sh
index 035f191..4e7d1e9 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -31,7 +31,7 @@ function check_network()
         if [[ $SIM_READY -ne 0 ]]; then  atcom AT+CPIN? | grep "CPIN:"; fi
 
 
-        debug "Network Registeration Status: " "-n" # no line break
+        debug "Network Registration Status: " "-n" # no line break
         NR_TEXT=`atcom AT+CREG? | grep "CREG:"`
         echo $NR_TEXT
 
@@ -41,7 +41,7 @@ function check_network()
         # For native SIM
         echo $NR_TEXT | grep "CREG: 0,1" > /dev/null
         NETWORK_REG_2=$?
-        # Combined network registeration status
+        # Combined network registration status
         NETWORK_REG=$((NETWORK_REG+NETWORK_REG_2))
 
         if [[ $SIM_READY -eq 0 ]] && [[ $NETWORK_REG -le 1 ]]; then
@@ -50,10 +50,10 @@ function check_network()
             return 0
             break
         else
-            debug "Retrying network registeration..."
+            debug "Retrying network registration..."
         fi
         sleep 2
     done
-    debug "Network registeration is failed! Please check SIM card, data plan, antennas etc."
+    debug "Network registration is failed! Please check SIM card, data plan, antennas etc."
     return 1
 }
diff --git a/src/provider b/src/provider
index fe32465..2a427a8 100644
--- a/src/provider
+++ b/src/provider
@@ -13,6 +13,7 @@ persist
 debug
 # If you want to use the HSDPA link as your gateway
 defaultroute
+replacedefaultroute
 # pppd must not propose any IP address to the peer
 noipdefault
 # No ppp compression
diff --git a/src/reconnect_scripts/reconnect_basehat b/src/reconnect_scripts/reconnect_basehat
index 6593766..5ac685e 100644
--- a/src/reconnect_scripts/reconnect_basehat
+++ b/src/reconnect_scripts/reconnect_basehat
@@ -24,7 +24,7 @@ if check_network -eq 0; then
 	PPP_IS_DEFAULT=$?
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -45,7 +45,7 @@ while true; do
             printf "+"
         else
 	        debug "Connection is down, reconnecting..."
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 
             # check default interface
diff --git a/src/reconnect_scripts/reconnect_baseshield b/src/reconnect_scripts/reconnect_baseshield
index 00f80c7..c7ea026 100755
--- a/src/reconnect_scripts/reconnect_baseshield
+++ b/src/reconnect_scripts/reconnect_baseshield
@@ -12,7 +12,7 @@ if check_network -eq 0; then
 	PPP_IS_DEFAULT=$?
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -33,7 +33,7 @@ while true; do
             printf "+"
         else
 	        debug "Connection is down, reconnecting..."
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 
             # check default interface
diff --git a/src/reconnect_scripts/reconnect_cellulariot b/src/reconnect_scripts/reconnect_cellulariot
index be9d093..d06070c 100644
--- a/src/reconnect_scripts/reconnect_cellulariot
+++ b/src/reconnect_scripts/reconnect_cellulariot
@@ -66,7 +66,7 @@ if check_network -eq 0; then
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -89,7 +89,7 @@ while true; do
 	        debug "Connection is down, reconnecting..."      
 			restart_power
 			if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 			
 			# check default interface
diff --git a/src/reconnect_scripts/reconnect_cellulariot_app b/src/reconnect_scripts/reconnect_cellulariot_app
index b1053f1..79c68fc 100644
--- a/src/reconnect_scripts/reconnect_cellulariot_app
+++ b/src/reconnect_scripts/reconnect_cellulariot_app
@@ -66,7 +66,7 @@ if check_network -eq 0; then
 	PPP_IS_DEFAULT=$?
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -89,7 +89,7 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             restart_power
 			if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 			
 			# check default interface
diff --git a/src/reconnect_scripts/reconnect_gprsshield b/src/reconnect_scripts/reconnect_gprsshield
index a630ff2..9042901 100644
--- a/src/reconnect_scripts/reconnect_gprsshield
+++ b/src/reconnect_scripts/reconnect_gprsshield
@@ -55,7 +55,7 @@ if check_network -eq 0; then
 	PPP_IS_DEFAULT=$?
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -76,7 +76,7 @@ while true; do
             printf "+"
         else
 	        debug "Connection is down, reconnecting..."
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 
 			# check default interface
diff --git a/src/reconnect_scripts/reconnect_tracker b/src/reconnect_scripts/reconnect_tracker
index cda4543..abb2f92 100644
--- a/src/reconnect_scripts/reconnect_tracker
+++ b/src/reconnect_scripts/reconnect_tracker
@@ -66,7 +66,7 @@ if check_network -eq 0; then
 	PPP_IS_DEFAULT=$?
 	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually."; fi
 else 
-    debug "Network registeration is failed!";
+    debug "Network registration is failed!";
 fi 
 
 while true; do
@@ -89,7 +89,7 @@ while true; do
 	        debug "Connection is down, reconnecting..."
 			restart_power
 			if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+            if check_network -eq 0; then sleep 0.1; else debug "Network registration is failed!"; fi
 	        sudo pon
 
 			# check default interface