diff -ur a/plugins/huawei/mm-broadband-bearer-huawei.c b/plugins/huawei/mm-broadband-bearer-huawei.c
--- a/plugins/huawei/mm-broadband-bearer-huawei.c
+++ b/plugins/huawei/mm-broadband-bearer-huawei.c
@@ -227,7 +227,10 @@
     case CONNECT_3GPP_CONTEXT_STEP_FIRST: {
         MMBearerIpFamily ip_type;
 
-        ip_type = mm_bearer_properties_get_ip_type (mm_bearer_peek_config (MM_BEARER (ctx->self)));
+        /* Default to IPv4 if not specified */
+        if ((ip_type = mm_bearer_properties_get_ip_type (mm_bearer_peek_config (MM_BEARER (ctx->self)))) == MM_BEARER_IP_FAMILY_UNKNOWN) {
+                ip_type = MM_BEARER_IP_FAMILY_IPV4;
+        }
         if (ip_type != MM_BEARER_IP_FAMILY_IPV4) {
             g_simple_async_result_set_error (ctx->result,
                                              MM_CORE_ERROR,