† Every year your chosen network will increase your contract charges as follows:

O2: Each April, your monthly subscription charge will increase by the RPI rate published in February of that year plus 3.9%.

Three: Each April, your monthly subscription charge will increase by (up to) the CPI rate published in January of that year plus an additional 3.9%

Vodafone: Each April, the monthly price shown plus all out of bundle charges will increase by the CPI rate published in January of that year plus an additional 3.9%.
Please see network Terms & Conditions for more details – you’ll find these on the checkout page.