Everything you need to know about mobile phone, all in one place

What is a PAC code? Which apps should you use to call your friends over wifi? Is it worth it to buy a phone outright and get a SIM only contact? Find answers to all of these questions, and more, in our mobile guides below:

Best apps for calling over Wifi
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Cancelling your mobile contract early
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Contract vs pay as you go
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Data roaming explained
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How much data do I need?
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How to stop nuisance phone calls
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How to switch mobile phone providers
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How to unlock your phone
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Is a SIM only deal worth it
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Porting your mobile to a new network
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Should I get a refurbished phone?
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What is tethering?
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What is the best network for mobile internet?
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What to do with your old mobile phones
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Which UK network has the best coverage?
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