Heavy multitasking can max out the processor.
Every Samsung Galaxy smartphone comes packed with powerful diagnostic tools that can help you identify hardware problems, test components, and even troubleshoot overheating issues. These hidden features—accessible through secret codes or official apps—give you the power to check everything from your screen's touch response to battery health and thermal performance. Whether you're facing screen burn-in, ghost touches, or a device that runs alarmingly hot, learning how to use Samsung's diagnostic tools can save you time, money, and frustration.
Before you consider an expensive repair or a full factory reset, there is a powerful, built-in feature designed to diagnose these exact issues: