Thanks for raising this with us.
We've checked your account and it shows that the free upgrade wasn't applied as of yet.
Please send me a PM with the screenshot or a copy of the notification that you've received for us to raise this further.
Welcome to the Community!
We've edited your post as it contains your account username. Please avoid posting any account information on a public thread as it may compromise your account security.
Did you test the speed via Wired or WIFi connection? Are you using the 2.4GHz or 5GHz network?
Could you please run a speed test on both a Wired and a WiFi connection for comparison?
Please post the screenshot or send the result via PM for us to assess this further.