How to check if an iPhone is refurbished?

A refurbished iPhone is a device that has been returned to Apple or an authorized retailer due to a defect or any malfunctions. The iPhone undergoes a thorough inspection, repair, and testing process to ensure it meets Apple's quality standards but still, there are chances for getting a less-quality iPhone only if its refurbished. When checking a refurbished iPhone, it's essential to verify its condition, and functionality, and ensure that it meets your expectations. Here are some guides on how to check a **Refurbished iPhone.**