Mobile phones advice guides

Which? reliability data can help you choose a smartphone that lasts. We survey owners of the likes of Apple, Samsung and Motorola phones to see which develop the least faults over time.

If you're using a phone that's over two years old, it may no longer be receiving security updates. Follow our advice to help stay safe

Find out more about our mobile phone tests, and why you can trust our independent reviews to unearth the best models on the market

Hesitant about being tied down to a lengthy phone contract, but don't like the idea of spending a ton of cash up-front? Buying a used or refurbished model could be a good move.

If you're torn between handsets, repair cost could be a key factor that sways your decision. Our expert guide explains how to spot a good deal.

Looking for the best cheap Android phone, or a deal on an iPhone? We reveal some of the best budget smartphones on the market

Apple or Android? Cheap or premium? Find out how to choose right phone, get the best deal, and which brands are most reliable.

Do you need antivirus for your Android smartphone or Apple iPhone? Is it worth paying for a security app, or are free versions just as good? Find out all you need to know in our in-depth guide.

Explore the benefits of virtual reality, augmented reality, and find out how to get started with nothing but your phone and a cheap VR headset.

Looking to buy a first mobile phone for your child, but not sure which one to pick? Let us give you a helping hand

Don't want to spend a fortune on a high-end new smartphone? Mid-range model can now take great photos and offer excellent battery life – here are some of our favourites.