Sorry to hear of the mobile signal issues for 5g in your local area, we appreciate you taking the time to contact us via the forums in regards to this and welcome to the community.
As you have advised you've recently changed your tariff to include 5G it is likely you have been migrated over from EE coverage to Vodafone, having checked your local area on the Vodafone network 5G isn't currently available and the indicators show only good coverage on 4g, 3g and 2g outdoors.
I've messaged the team to see what the options are going forward and will let you know when i get an update.
It's worth bearing in mind, as far as long-term solutions go, that VM are not a a network operator in the mobile field and can only provide the coverage that their host network operator has.
If you're having issues with VF coverage in your area, and you know that another operator works for you, then VM are inherently limited in what technical solutions can be offered here. Their contract with EE is winding down, a migration to VF is underway, and who knows what the future brings with relation to the proposed O2 merger.
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Well surely I have some sort of right to change network without being charged as my signal is absolutely garbage & when I joined 2 years ago the signal was amazing it’s only since moving/ upgrading to 5G plan for more data the signal has been [REMOVED]
[MOD EDIT: Inappropriate language removed, please review the Forum Guidelines]