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Hi @Lasermachine24 When you tether via a mobile device, your Playstation will automatically change your NAT to NAT Type 3, this means that access is restricted. You have access to the internet but you'll be unable to download/upload any data.
I'd recommend trying to change you DNS to Google DNS (184.108.40.206/220.127.116.11).
You can do this by following these steps:
Let us know how you get on.
Sorry this hasn't worked for you @Lasermachine24. As part of our customer promise we want to get all your concerns addressed immediately. So a member of our team can get this looked into further for you and perform some further troubleshooting steps with you, please contact our team via Facebook at Vodafone UK, or get in touch on Twitter using the handle @VodafoneUK. Don't forget to include the link to this thread, along with your username.
Apologies for the delay in getting back to you @Lasermachine24! Our social channels are busier than usual at the moment and we're working hard to respond to all of our customers, as quickly as possible! As soon as a member of our team have reached your message, we'll certainly assist you further. We appreciate your continued patience in the meantime.