Smartphone repair involves fixing various issues that can occur with mobile devices, such as cracked screens, battery problems, or software glitches. Technicians use specialized tools and techniques to diagnose and resolve these issues, ensuring that the device functions properly again. Common repairs include replacing screens, batteries, and charging ports. Many repair shops offer services for popular brands like Apple and Samsung, often providing same-day service for minor repairs. Some technicians also offer warranty services, which can cover specific repairs for a limited time. Overall, smartphone repair helps extend the life of devices and reduces electronic waste.