The short answer
Rooting an Android device gives you administrative access to the operating system, allowing you to modify system files, install custom ROMs, remove pre-installed apps (bloatware), and perform other advanced customization tasks.
Rooting an Android device gives you administrative access to the operating system, allowing you to modify system files, install custom ROMs, remove pre-installed apps (bloatware), and perform other advanced customization tasks. However, it also voids the warranty of your device and may expose it to security risks if not done properly.