When buying a refurbished iPhone, you will often come across grading labels like Grade A, Grade B, and Grade C. Understanding these grades helps you make the right purchase decision. Grade A refurbished iPhones are in near-mint condition with minimal signs of use and excellent battery health. Grade B phones may have light scratches but are fully functional with good performance. Grade C devices show more visible wear but still work properly and are priced lower. All grades go through quality testing before sale. Choosing the right grade depends on your budget and how much cosmetic condition matters to you. Knowing this helps you get the best value from your refurbished iPhone purchase.