Main components is a Google system app that's installed by default on many different brands of devices, including Samsung and Xiaomi. The main function of the app is to assist in downloading security updates for the operating system, so it's best not to uninstall it. Similarly, it's not recommended to install the app unless your device is running Android 13 or higher and you know exactly what you're doing.

Some users have reported that removing Main components (com.google.mainline.adservices) h