How to choose a mobile phone tariff

Which? helps you to find the best mobile phone provider and the cheapest mobile deals
How to save money by switching to a different mobile deal and how to upgrade your mobile
Find out whether it's cheaper to buy a mobile phone on its own or as part of a mobile contract

What's in this guide

The pros and cons of pay as you go, contract and Sim-only mobiles. Shop around when deciding how to pay for using your mobile phone.

Tips on choosing the best mobile deal for you, whether you need a new handset or just want a better offer from your existing mobile provider.

How to upgrade your mobile phone or change mobile service provider, whether you're tied to a contract or on pay as you go.

The essential things you should consider before taking out expensive mobile phone insurance you might not need.

How to protect your mobile phone and what to do if it's stolen. Our tips could help stop your mobile becoming one of the 10,000 stolen every month.

We give plain English answers to frequently asked questions and problems with mobile phone tariff providers.