He has called on telecoms regulator Ofcom and the Government to tighten the rules after some post-Brexit consumer protections expired on June 30. Firms no longer have to send customers a text message with pricing details when they begin roaming, operate a monthly cap on data roaming fees or provide protection against inadvertent roaming.
Some networks have reintroduced data roaming charges in Europe.
Mr Lewis said “I’ve no faith in mobile firms to self-regulate.” MONEYWATCH: PAGE 45