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Technology.

Mobile phone providers advice guides

Unsure about which mobile phone provider to choose? Our in-depth reviews will tell you everything you need to know including how they performed in our regular satisfaction survey.

8 articles

Best and worst UK mobile networks

Which? ratings on the UK's mobile phone networks

22 December 2021

Mobile roaming and international calls explained

Mobile roaming can result in unwanted bills and costs can vary dramatically by provider. Find out how much you'll be paying, and how you could get a better deal.

18 January 2022

Mobile phone provider reviews

Mobile phone provider reviews July 2016

Mobile network coverage map

Check the 3G, 4G or 5G signal where you live with our interactive map

22 December 2021

What is 5G and where can I get 5G in the UK?

5G promises faster data than ever - find out when and where you'll be able to use it in the UK, and how fast it really is.

16 November 2021

How to switch mobile provider

Find out how to switch to a better mobile network provider with our expert advice

12 July 2021

How to prepare your mobile phone for holidays abroad

Want to use your mobile phone abroad and avoid astronomical bills when you get home? Read our top tips to get your phone prepared.

12 July 2021

How to keep track of your mobile data and minutes

Exceeding your mobile allowance can result in hefty bills. Find out how to monitor your bundle on iPhones and Android phones to make minutes and messages last longer.

11 June 2021