diff --git a/plugins/unifying/lu-device-bootloader-nordic.c b/plugins/unifying/lu-device-bootloader-nordic.c
index 88eb87279..7d46d891a 100644
--- a/plugins/unifying/lu-device-bootloader-nordic.c
+++ b/plugins/unifying/lu-device-bootloader-nordic.c
@@ -67,33 +67,10 @@ lu_device_bootloader_nordic_get_fw_version (LuDevice *device, GError **error)
 				  micro);
 }
 
-static gchar *
-lu_device_bootloader_nordic_get_bl_version (LuDevice *device, GError **error)
-{
-	guint16 build;
-
-	g_autoptr(LuDeviceBootloaderRequest) req = lu_device_bootloader_request_new ();
-	req->cmd = LU_DEVICE_BOOTLOADER_CMD_GET_BL_VERSION;
-	if (!lu_device_bootloader_request (device, req, error)) {
-		g_prefix_error (error, "failed to get firmware version: ");
-		return NULL;
-	}
-
-	/* BOTxx.yy_Bzzzz
-	 * 012345678901234 */
-	build = (guint16) lu_buffer_read_uint8 ((const gchar *) req->data + 10) << 8;
-	build += lu_buffer_read_uint8 ((const gchar *) req->data + 12);
-	return lu_format_version ("BOT",
-				  lu_buffer_read_uint8 ((const gchar *) req->data + 3),
-				  lu_buffer_read_uint8 ((const gchar *) req->data + 6),
-				  build);
-}
-
 static gboolean
 lu_device_bootloader_nordic_probe (LuDevice *device, GError **error)
 {
 	g_autofree gchar *hw_platform_id = NULL;
-	g_autofree gchar *version_bl = NULL;
 	g_autofree gchar *version_fw = NULL;
 	g_autoptr(GError) error_local = NULL;
 
@@ -113,11 +90,6 @@ lu_device_bootloader_nordic_probe (LuDevice *device, GError **error)
 		lu_device_set_version_fw (device, version_fw);
 	}
 
-	/* get bootloader version */
-	version_bl = lu_device_bootloader_nordic_get_bl_version (device, error);
-	if (version_bl == NULL)
-		return FALSE;
-	lu_device_set_version_bl (device, version_bl);
 	return TRUE;
 }
 
@@ -287,8 +259,9 @@ static void
 lu_device_bootloader_nordic_class_init (LuDeviceBootloaderNordicClass *klass)
 {
 	LuDeviceClass *klass_device = LU_DEVICE_CLASS (klass);
+	LuDeviceBootloaderClass *klass_device_bootloader = LU_DEVICE_BOOTLOADER_CLASS (klass);
 	klass_device->write_firmware = lu_device_bootloader_nordic_write_firmware;
-	klass_device->probe = lu_device_bootloader_nordic_probe;
+	klass_device_bootloader->probe = lu_device_bootloader_nordic_probe;
 }
 
 static void
diff --git a/plugins/unifying/lu-device-bootloader-texas.c b/plugins/unifying/lu-device-bootloader-texas.c
index 904c380cc..390c4d299 100644
--- a/plugins/unifying/lu-device-bootloader-texas.c
+++ b/plugins/unifying/lu-device-bootloader-texas.c
@@ -226,49 +226,15 @@ lu_device_bootloader_texas_write_firmware (LuDevice *device,
 	return TRUE;
 }
 
-static gchar *
-lu_device_bootloader_texas_get_bl_version (LuDevice *device, GError **error)
-{
-	guint16 build;
-
-	g_autoptr(LuDeviceBootloaderRequest) req = lu_device_bootloader_request_new ();
-	req->cmd = LU_DEVICE_BOOTLOADER_CMD_GET_BL_VERSION;
-	if (!lu_device_bootloader_request (device, req, error)) {
-		g_prefix_error (error, "failed to get firmware version: ");
-		return NULL;
-	}
-
-	/* BOTxx.yy_Bzzzz
-	 * 012345678901234 */
-	build = (guint16) lu_buffer_read_uint8 ((const gchar *) req->data + 10) << 8;
-	build += lu_buffer_read_uint8 ((const gchar *) req->data + 12);
-	return lu_format_version ("BOT",
-				  lu_buffer_read_uint8 ((const gchar *) req->data + 3),
-				  lu_buffer_read_uint8 ((const gchar *) req->data + 6),
-				  build);
-}
-
-static gboolean
-lu_device_bootloader_texas_probe (LuDevice *device, GError **error)
-{
-	g_autofree gchar *version_bl = NULL;
-	version_bl = lu_device_bootloader_texas_get_bl_version (device, error);
-	if (version_bl == NULL)
-		return FALSE;
-	lu_device_set_version_bl (device, version_bl);
-	lu_device_set_version_fw (device, "RQR24.xx_Bxxxx");
-	return TRUE;
-}
-
 static void
 lu_device_bootloader_texas_class_init (LuDeviceBootloaderTexasClass *klass)
 {
 	LuDeviceClass *klass_device = LU_DEVICE_CLASS (klass);
 	klass_device->write_firmware = lu_device_bootloader_texas_write_firmware;
-	klass_device->probe = lu_device_bootloader_texas_probe;
 }
 
 static void
 lu_device_bootloader_texas_init (LuDeviceBootloaderTexas *device)
 {
+	lu_device_set_version_fw (LU_DEVICE (device), "RQR24.xx_Bxxxx");
 }
diff --git a/plugins/unifying/lu-device-bootloader.c b/plugins/unifying/lu-device-bootloader.c
index fe736beb4..9055af252 100644
--- a/plugins/unifying/lu-device-bootloader.c
+++ b/plugins/unifying/lu-device-bootloader.c
@@ -224,6 +224,46 @@ lu_device_bootloader_open (LuDevice *device, GError **error)
 	return TRUE;
 }
 
+static gchar *
+lu_device_bootloader_get_bl_version (LuDevice *device, GError **error)
+{
+	guint16 build;
+
+	g_autoptr(LuDeviceBootloaderRequest) req = lu_device_bootloader_request_new ();
+	req->cmd = LU_DEVICE_BOOTLOADER_CMD_GET_BL_VERSION;
+	if (!lu_device_bootloader_request (device, req, error)) {
+		g_prefix_error (error, "failed to get firmware version: ");
+		return NULL;
+	}
+
+	/* BOTxx.yy_Bzzzz
+	 * 012345678901234 */
+	build = (guint16) lu_buffer_read_uint8 ((const gchar *) req->data + 10) << 8;
+	build += lu_buffer_read_uint8 ((const gchar *) req->data + 12);
+	return lu_format_version ("BOT",
+				  lu_buffer_read_uint8 ((const gchar *) req->data + 3),
+				  lu_buffer_read_uint8 ((const gchar *) req->data + 6),
+				  build);
+}
+
+static gboolean
+lu_device_bootloader_probe (LuDevice *device, GError **error)
+{
+	LuDeviceBootloaderClass *klass = LU_DEVICE_BOOTLOADER_GET_CLASS (device);
+	g_autofree gchar *version_bl = NULL;
+
+	/* get bootloader version */
+	version_bl = lu_device_bootloader_get_bl_version (device, error);
+	if (version_bl == NULL)
+		return FALSE;
+	lu_device_set_version_bl (device, version_bl);
+
+	/* subclassed further */
+	if (klass->probe != NULL)
+		return klass->probe (device, error);
+	return TRUE;
+}
+
 static gboolean
 lu_device_bootloader_close (LuDevice *device, GError **error)
 {
@@ -362,4 +402,5 @@ lu_device_bootloader_class_init (LuDeviceBootloaderClass *klass)
 	klass_device->attach = lu_device_bootloader_attach;
 	klass_device->open = lu_device_bootloader_open;
 	klass_device->close = lu_device_bootloader_close;
+	klass_device->probe = lu_device_bootloader_probe;
 }
diff --git a/plugins/unifying/lu-device-bootloader.h b/plugins/unifying/lu-device-bootloader.h
index 25ff297e0..44b933430 100644
--- a/plugins/unifying/lu-device-bootloader.h
+++ b/plugins/unifying/lu-device-bootloader.h
@@ -34,6 +34,8 @@ G_DECLARE_DERIVABLE_TYPE (LuDeviceBootloader, lu_device_bootloader, LU, DEVICE_B
 struct _LuDeviceBootloaderClass
 {
 	LuDeviceClass	parent_class;
+	gboolean	 (*probe)			(LuDevice		*device,
+							 GError			**error);
 };
 
 typedef enum {