With excellent new flagships from Apple, Google and Samsung all vying for your attention, plus dozens of high-quality options for those on a budget, choosing the right smartphone has never been more challenging. But we’re here to help. Our Smartphone Buying Guide covers everything you need to know before you buy, including operating system, screen size, camera, processor and price. We’ll also tell you which carrier will provide the best service for your phone. Use this advice to make sure you get the very best handset for your needs and budget.