Welcome to Vodafone Community
There is no account access via this forum so your request cannot be actioned via your post left on the Vodafone Community forum.
Customer service via phone or Live Chat or the Vodafone Social Media Teams via Contact-us-for-account-specific-queries would be able to help and advise too,
Current Phone >
Samsung Z Fold³ 5G.
Previous Phone >
Samsung Note 20 Ultra 5G - SM9860.
The easiest way to achieve this is to log in to the router and change the DNS settings.
Use 126.96.36.199. and 188.8.131.52. (Cloudflare and Google). It will probably be faster too.