Every month Vodafone put 20 quid on my phone , I do not know how to stop this, it is PAYG it is not in the menu when you ring for the balance ,I spoke to a man on the site who promised he would do this for me, but it is still happening, please help.
The option should be available to you when you dial 2345 https://support.vodafone.co.uk/Vodafone-products-and-services/Pay-as-you-go/Big-Value-Bundles/48290693/How-can-I-stop-my-Big-Value-Bundle-automatically-renewing.htm