Specifications, support lifespans and everyday technology explained without the marketing theatre.
RESEARCH-LED GUIDE41Both can put mobile data on a compatible phone without swapping a physical SIM. The better choice depends on your destination, trip length, data habits and whether you value extra security controls.
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RESEARCH-LED GUIDE42Standards, hubs, apps and voice assistants decide whether smart devices work together. A compatibility checklist to run before your first purchase.
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RESEARCH-LED GUIDE43Codecs only work when both devices support them. What each one does, where the differences are audible, and how to avoid a compatibility mismatch.
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RESEARCH-LED GUIDE44Two headphones can measure similarly and sound completely different. How to describe what you like, and how to read audio reviews that assume you can.
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RESEARCH-LED GUIDE45IPX4, IP67, IP68: what each digit measures, what the test involves, and why none of them means you can take a device swimming with confidence.
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RESEARCH-LED GUIDE46A device stops being safe to use long before it stops working. How to find a product's update commitment and factor it into what you pay.
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RESEARCH-LED GUIDE47Nits, contrast ratios, refresh rates and panel types explained — plus which screen specifications you'll actually notice in a normal UK living room.
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RESEARCH-LED GUIDE48Quoted battery figures come from specific test conditions. How mAh, Wh and "up to" hours are measured, and how to estimate real-world runtime.
Read the guide →RESEARCH-LED GUIDE49Driver size, frequency response, impedance and noise-cancelling claims explained — including which of these numbers predicts nothing at all.
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RESEARCH-LED GUIDE50Ports, software support, repairability and headroom decide how long a device stays useful — far more than the processor name on the box.
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