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Guides

Learn about all-things tech, from buying guides to O2 services

Buying a mobile phone

Want a budget-friendly feature phone or an AI smartphone? Our guide has everything you need to help you choose.

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Data roaming

Everything you need to know about staying connected when abroad

Three smartwatches with different designs on a blue background with bubbles.

Buying a smartwatch

Find the best smartwatch for you. Learn what features and benefits to look for, from sports to budgeting and waterproof ratings.

Four colorful tablets with distinct designs and screens of various sizes are displayed against a blue background with floating bubbles.

Buying an iPad?

Find out which iPad is best for gaming, watching movies, drawing, reading, travel, kids and students

A pile of smartphones with a recycling symbol displayed on the screen of the top phone, highlighting e-waste and recycling.

Mobile phone recycling

Find out how much you could get for your old phone and what the trade-in process involves

Best gaming consoles

Compare features and find out which is the best console for you

Close-up of a hand typing on a smartphone touchscreen, entering a text message that reads, "I'm already on my way."

Text and picture messaging

Learn about the different types of messaging you can send and receive with your device