Grade B, A-Grade Bargain: Your No-Nonsense Guide to Buying Refurbished Smartphones in 2025

The refurbished phone market in the UK has exploded well beyond second-hand iPhones, with a dizzying range of grading systems, retailers, and warranty promises now competing for your attention. We've cut through the confusion to explain what those condition grades actually mean, which UK sellers are worth trusting, and how to make sure your consumer rights have your back if things go wrong.