diff --git a/mbtk/liblynq_lib/src/lynq_data_call.c b/mbtk/liblynq_lib/src/lynq_data_call.c
old mode 100755
new mode 100644
index 1d886f3..e8dc0af
--- a/mbtk/liblynq_lib/src/lynq_data_call.c
+++ b/mbtk/liblynq_lib/src/lynq_data_call.c
@@ -1254,6 +1254,8 @@
 
 int qser_apn_del(unsigned char profile_idx)
 {
+    int ret = 0;
+
     //UNUSED(profile_idx);
     if(qser_info_handle == NULL)
     {
@@ -1273,6 +1275,14 @@
         return QSER_RESULT_FAIL;
     }
 
+    ret = mbtk_apn_del(qser_info_handle, profile_idx);
+
+    if(ret < 0)
+    {
+        LOGE("mbtk_apn_del fail!");
+        return QSER_RESULT_FAIL;
+    }
+
     qser_apn_info_state[profile_idx] = FALSE;
     qser_apn_add_save_state[profile_idx] = '0';