Don't have Telegram yet? Try it now!
https://www.mvnonews.com/2018/05/03/ofcom-in-uk-due-mvno-tesco-mobile-e-giffgaff-primi-per-soddisfazione-clienti-male-vodafone/
Ofcom: in UK due MVNO (Tesco Mobile e giffgaff) primi per soddisfazione clienti. Male Vodafone