How to enable TLSv1.3 for HttpURLConnection on Android 8/9?

Question

I am making an application in Android Studio where I make an HTTP request with HttpURLConnection to a server. That server is configured with TLS v1.3 and only works fine with Android 10.

In Android 8 and 9 I get this error: Handsake failed.

Does this have a solution? How can I get TLS 1.3 to work on Android 8 and 9?

This is my code :

            String query = "https://....";
            token ="...."
            URL url = new URL(query);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setConnectTimeout(5000);

            conn.setRequestProperty("Authorization", token);
            conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
            conn.setDoOutput(true);
            conn.setRequestMethod("POST");

            OutputStream os = conn.getOutputStream();
            os.write(json.getBytes("UTF-8"));
            os.close();
    
       
            InputStream in = new BufferedInputStream(conn.getInputStream());
            String result = org.apache.commons.io.IOUtils.toString(in, "UTF-8");
            JsonObject jobj = new Gson().fromJson(result, JsonObject.class);