diff --git a/recipes-connectivity/wwan-config/wwan-config.bb b/recipes-connectivity/wwan-config/wwan-config.bb
index 3d02d6d..39834a6 100644
--- a/recipes-connectivity/wwan-config/wwan-config.bb
+++ b/recipes-connectivity/wwan-config/wwan-config.bb
@@ -51,6 +51,15 @@ do_install_append() {
             fi
 
             install -m 0644 ${WORKDIR}/default.conf ${D}${sysconfdir}/wwan/wwan$i.conf
+            if [ ! -z "${NM_WWAN_APN}" ]; then
+                sed -i 's/apn=/apn=${NM_WWAN_APN}/g' ${D}${sysconfdir}/wwan/wwan$i.conf
+            fi
+            if [ ! -z "${NM_WWAN_USER}" ]; then
+                sed -i 's/user=/user=${NM_WWAN_USER}/g' ${D}${sysconfdir}/wwan/wwan$i.conf
+            fi
+            if [ ! -z "${NM_WWAN_PASSWORD}" ]; then
+                sed -i 's/password=/password=${NM_WWAN_PASSWORD}/g' ${D}${sysconfdir}/wwan/wwan$i.conf
+            fi
         done
     fi
 }