Look for "burn-in" or dead pixels by viewing a solid white and a solid black image.

These are complex components that can sometimes fail during repair.

Extending the life of a device significantly reduces e-waste and the carbon footprint associated with manufacturing new electronics.

are you currently considering for your refurbished upgrade? Why Refurbished - Apple

Is It OK to Buy a Refurbished iPhone? Everything You Need to Know

Go to Settings > Battery > Battery Health . Apple's own refurbishments will be at 100% , while most reputable third-party sellers guarantee at least 80–90% .