CAT mobile phone deals.

Tough phones perfect for working outdoors. Choose from our range of CAT phone deals on pay monthly, SIM free or finance.

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RPI/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to the Retail Price Index (O2, Three and Vodafone) or Consumer Price Index (EE) rate of inflation. Your bill will be adjusted in March (EE), April (O2 & Vodafone) and May (Three) by the rate announced in January (EE & Three), February (O2) and March (Vodafone) that year (plus 3.9% on EE).