I'm constantly testing a 0Mpbs upload speed, and am wondering whether my Huawei HG659 has the latest firmware:
Welcome to the Community!
We were able to locate your account using your community details and can confirm that there's an updated version of your modem's firmware. We've raised your request and update will be given by Monday.
We've created an article that may guide you on how to troubleshoot a Slow speed issue.
If you are using a WiFi connection, then signal interference may be causing the issue. Here's a link that will guide you on how to improve your home network.
Let us know how it goes.