diff --git a/src/reconnect_scripts/reconnect_basehat b/src/reconnect_scripts/reconnect_basehat
index df682ff..9da6c33 100644
--- a/src/reconnect_scripts/reconnect_basehat
+++ b/src/reconnect_scripts/reconnect_basehat
@@ -18,6 +18,11 @@ gpio -g write $W_DISABLE 0
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+    # check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 else 
     debug "Network registeration is failed!";
 fi 
@@ -42,6 +47,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+
+            # check default interface
+            route | grep ppp | grep default > /dev/null
+            PPP_IS_DEFAULT=$?
+            if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL
diff --git a/src/reconnect_scripts/reconnect_baseshield b/src/reconnect_scripts/reconnect_baseshield
index 13fe285..7cd7b8c 100755
--- a/src/reconnect_scripts/reconnect_baseshield
+++ b/src/reconnect_scripts/reconnect_baseshield
@@ -6,6 +6,11 @@ source configs.sh
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+    # check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 else 
     debug "Network registeration is failed!";
 fi 
@@ -30,6 +35,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+
+            # check default interface
+            route | grep ppp | grep default > /dev/null
+            PPP_IS_DEFAULT=$?
+            if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL
diff --git a/src/reconnect_scripts/reconnect_cellulariot b/src/reconnect_scripts/reconnect_cellulariot
index dce0948..a272dec 100644
--- a/src/reconnect_scripts/reconnect_cellulariot
+++ b/src/reconnect_scripts/reconnect_cellulariot
@@ -59,6 +59,12 @@ if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powere
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+	# check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
+
 else 
     debug "Network registeration is failed!";
 fi 
@@ -83,6 +89,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+			
+			# check default interface
+			route | grep ppp | grep default > /dev/null
+			PPP_IS_DEFAULT=$?
+			if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL
diff --git a/src/reconnect_scripts/reconnect_cellulariot_app b/src/reconnect_scripts/reconnect_cellulariot_app
index 83173c8..27100fc 100644
--- a/src/reconnect_scripts/reconnect_cellulariot_app
+++ b/src/reconnect_scripts/reconnect_cellulariot_app
@@ -60,6 +60,11 @@ if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powere
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+	# check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 else 
     debug "Network registeration is failed!";
 fi 
@@ -84,6 +89,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+			
+			# check default interface
+			route | grep ppp | grep default > /dev/null
+			PPP_IS_DEFAULT=$?
+			if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL
diff --git a/src/reconnect_scripts/reconnect_gprsshield b/src/reconnect_scripts/reconnect_gprsshield
index 50fbdec..a8fdb67 100644
--- a/src/reconnect_scripts/reconnect_gprsshield
+++ b/src/reconnect_scripts/reconnect_gprsshield
@@ -50,6 +50,11 @@ if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powere
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+	# check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 else 
     debug "Network registeration is failed!";
 fi 
@@ -74,6 +79,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+
+			# check default interface
+			route | grep ppp | grep default > /dev/null
+			PPP_IS_DEFAULT=$?
+			if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL
diff --git a/src/reconnect_scripts/reconnect_test.sh b/src/reconnect_scripts/reconnect_test.sh
deleted file mode 100644
index c0a50ad..0000000
--- a/src/reconnect_scripts/reconnect_test.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/bash
-
-source functions.sh
-source configs.sh
-
-
-if check_network -eq 0; then 
-    debug "PPP chatscript is starting...";
-    sudo pon;
-else 
-    debug "Network registeration is failed!";
-fi 
-
-while true; do
-    # Checking cellular internet connection
-    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
-    PINGG=$?
-
-    if [[ $PINGG -eq 0 ]]; then
-        printf "."
-    else
-        printf "/"
-        sleep $DOUBLE_CHECK_WAIT
-	    # Checking cellular internet connection
-        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
-        PINGG=$?
-
-        if [[ $PINGG -eq 0 ]]; then
-            printf "+"
-        else
-	        debug "Connection is down, reconnecting..."
-            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
-	        sudo pon
-	    fi
-    fi
-	sleep $INTERVAL
-done
diff --git a/src/reconnect_scripts/reconnect_tracker b/src/reconnect_scripts/reconnect_tracker
index 11b2300..451c4fe 100644
--- a/src/reconnect_scripts/reconnect_tracker
+++ b/src/reconnect_scripts/reconnect_tracker
@@ -60,6 +60,11 @@ if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powere
 if check_network -eq 0; then 
     debug "PPP chatscript is starting...";
     sudo pon;
+
+	# check default interface
+	route | grep ppp | grep default > /dev/null
+	PPP_IS_DEFAULT=$?
+	if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 else 
     debug "Network registeration is failed!";
 fi 
@@ -84,6 +89,11 @@ while true; do
 	        debug "Connection is down, reconnecting..."
             if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
 	        sudo pon
+
+			# check default interface
+			route | grep ppp | grep default > /dev/null
+			PPP_IS_DEFAULT=$?
+			if [[ $PPP_IS_DEFAULT -ne 0 ]]; then sudo route add default ppp0; debug "ppp0 is added as default interface manually." fi
 	    fi
     fi
 	sleep $INTERVAL