Cant change tarrif. Why?

[JonesW69]

Hi, I'm currently on 'Favourite Place' tarrif but would like to switch to 10£ Big Bundle. When I try to switch, some error comes up and it won't allow to proceed but also doesnt state why. I have more than 10£ on my balance.

[Bambino · Accepted solution]

@JonesW69 Pay & Go customer service number is 4445

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