"Mobile phone users will be protected from "sky-high bills" if their phones are stolen under an agreement between the government and four operators.

EE, Three, Virgin Media and Vodafone have agreed to a new cap on the maximum customers would be expected to pay.

The firms will also tell people of mid-contract price rises, and phone users will then have the option of breaking off the contract without penalty."

Full story here:

http://www.bbc.co.uk/news/uk-25196425

O2 are not included in the £50 cap  see : http://www.mobiletoday.co.uk/News/27482/Operators_sign_up_to_plans_to_curb_shock_bills.aspx