Customers are urged to check their Vodafone bills after thousands of problems were reported to consumer and complaints organisations.MoneySavingExpert.com said it believed there were "potentially systemic failings" and around 20 million Vodafone customers should be double checking their phone bills.Concerns include incorrectly set up direct debits, customers being put on the wrong tariff and poor customer service.Some customers say their accounts are not being transferred to the new...
