diff --git a/plugins/ofono.rules b/plugins/ofono.rules
index abae06ac..d057dcaa 100644
--- a/plugins/ofono.rules
+++ b/plugins/ofono.rules
@@ -2,18 +2,32 @@
 
 ACTION!="add|change", GOTO="ofono_end"
 
-SUBSYSTEM!="tty", GOTO="ofono_typ_end"
-KERNEL!="ttyUSB[0-9]*", GOTO="ofono_typ_end"
+SUBSYSTEM!="tty", GOTO="ofono_huawei_end"
+KERNEL!="ttyUSB[0-9]*", GOTO="ofono_huawei_end"
 
-# HUAWEI E176
-ENV{ID_VENDOR_ID}=="12d1", ENV{ID_MODEL_ID}=="1003", ENV{ID_IFACE}=="00", ENV{OFONO_TYP}="PRIMARY"
-ENV{ID_VENDOR_ID}=="12d1", ENV{ID_MODEL_ID}=="1003", ENV{ID_IFACE}=="01", ENV{OFONO_TYP}="SECONDARY"
-# HUAWEI E1552
-# TODO: Add ID_MODEL_ID aka idProduct for E1552
-#ENV{ID_VENDOR_ID}=="12d1", ENV{ID_MODEL_ID}=="1003", ENV{ID_IFACE}=="00", ENV{OFONO_TYP}="PRIMARY"
-#ENV{ID_VENDOR_ID}=="12d1", ENV{ID_MODEL_ID}=="1003", ENV{ID_IFACE}=="02", ENV{OFONO_TYP}="SECONDARY"
+SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="?*", ENV{OFONO_IFACE_NUM}="$attr{bInterfaceNumber}"
 
-LABEL="ofono_typ_end"
+# Generic 0x1001
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", ENV{OFONO_IFACE_NUM}=="00", ENV{OFONO_HUAWEI_TYPE}="Modem"
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", ENV{OFONO_IFACE_NUM}=="02", ENV{OFONO_HUAWEI_TYPE}="Pcui"
+
+# Generic 0x1003
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1003", ENV{OFONO_IFACE_NUM}=="00", ENV{OFONO_HUAWEI_TYPE}="Modem"
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1003", ENV{OFONO_IFACE_NUM}=="01", ENV{OFONO_HUAWEI_TYPE}="Pcui"
+
+# E510
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1411", ENV{OFONO_IFACE_NUM}=="00", ENV{OFONO_HUAWEI_TYPE}="Modem"
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1411", ENV{OFONO_IFACE_NUM}=="02", ENV{OFONO_HUAWEI_TYPE}="Pcui"
+
+# K4505
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1464", ENV{OFONO_IFACE_NUM}=="00", ENV{OFONO_HUAWEI_TYPE}="Modem"
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1464", ENV{OFONO_IFACE_NUM}=="04", ENV{OFONO_HUAWEI_TYPE}="Pcui"
+
+# K3765
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1465", ENV{OFONO_IFACE_NUM}=="00", ENV{OFONO_HUAWEI_TYPE}="Modem"
+ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1465", ENV{OFONO_IFACE_NUM}=="04", ENV{OFONO_HUAWEI_TYPE}="Pcui"
+
+LABEL="ofono_huawei_end"
 
 SUBSYSTEM!="usb", GOTO="ofono_end"
 ENV{DEVTYPE}!="usb_device", GOTO="ofono_end"
diff --git a/plugins/udev.c b/plugins/udev.c
index 8680ff68..178f3834 100644
--- a/plugins/udev.c
+++ b/plugins/udev.c
@@ -202,52 +202,59 @@ static void add_huawei(struct ofono_modem *modem,
 					struct udev_device *udev_device)
 {
 	struct udev_list_entry *entry;
-	const char *devnode, *serial_typ = NULL;
-	int primary, secondary;
+	const char *devnode, *type;
+	int ppp, pcui;
 
-	primary = ofono_modem_get_integer(modem, "PrimaryRegistered");
-	secondary = ofono_modem_get_integer(modem, "SecondaryRegistered");
+	/*
+	 * Huawei dongles tend to break up their ports into:
+	 * - Modem - Used for PPP
+	 * - Diag - Used for diagnostics, not usually AT command enabled
+	 * - PCUI - auxiliary channel where unsolicited events are sent
+	 *
+	 * The unsolicited events are controlled with ^PORTSEL command,
+	 * and defaults to 0 (the PCUI port)
+	 *
+	 * Surprising the PCUI port is usually last on the usb interface list
+	 */
+	ppp = ofono_modem_get_integer(modem, "ModemRegistered");
+	pcui = ofono_modem_get_integer(modem, "PcuiRegistered");
 
-	if (primary && secondary)
+	if (ppp & pcui)
 		return;
 
 	entry = udev_device_get_properties_list_entry(udev_device);
 	while (entry) {
 		const char *name = udev_list_entry_get_name(entry);
+		type = udev_list_entry_get_value(entry);
 
-		if (g_strcmp0(name, "OFONO_TYP") == 0) {
-			serial_typ = udev_list_entry_get_value(entry);
-
-			if (g_strcmp0(serial_typ, "PRIMARY") == 0) {
-				if (primary != 0)
-					return;
-
-				devnode = udev_device_get_devnode(udev_device);
-				ofono_modem_set_string(modem, "Device",
-							devnode);
-
-				primary = 1;
-				ofono_modem_set_integer(modem, "PrimaryRegistered", primary);
-			}
-
-			if (g_strcmp0(serial_typ, "SECONDARY") == 0) {
-				if (secondary != 0)
-					return;
-
-				devnode = udev_device_get_devnode(udev_device);
-				ofono_modem_set_string(modem, "SecondaryDevice", devnode);
-
-				secondary = 1;
-				ofono_modem_set_integer(modem, "SecondaryRegistered",
-							secondary);
-			}
-
+		if (g_str_equal(name, "OFONO_HUAWEI_TYPE") != TRUE) {
+			entry = udev_list_entry_get_next(entry);
+			continue;
 		}
 
-		entry = udev_list_entry_get_next(entry);
+		if (g_str_equal(type, "Modem") == TRUE) {
+			if (ppp != 0)
+				return;
+
+			devnode = udev_device_get_devnode(udev_device);
+			ofono_modem_set_string(modem, "Modem", devnode);
+			ppp = 1;
+			ofono_modem_set_integer(modem, "ModemRegistered", ppp);
+		} else if (g_str_equal(type, "Pcui") == TRUE) {
+			if (pcui != 0)
+				return;
+
+			devnode = udev_device_get_devnode(udev_device);
+			ofono_modem_set_string(modem, "Pcui", devnode);
+
+			pcui = 1;
+			ofono_modem_set_integer(modem, "PcuiRegistered", pcui);
+		}
+
+		break;
 	}
 
-	if (primary && secondary)
+	if (ppp && pcui)
 		ofono_modem_register(modem);
 }