Android 7.1.1, also known as Nougat, is a popular operating system used in many smartphones and tablets. While it offers a range of features and functionalities, many users may want to explore the full potential of their device by rooting it. Rooting an Android device allows users to gain superuser-level access, enabling them to modify system files, remove bloatware, and install custom ROMs. In this essay, we will explore the process of rooting Android 7.1.1 and the role of APK files in the process.