What is GrapheneOS, the most secure version of the Android system

GrapheneOS is an open-source Android-based operating system available only for Google Pixel phones (3A and up). The software offers increased security through various measures such as app restrictions, network blocking, malware identifiers, and removal of mandatory Google services. Updated in June, the OS includes a browser, messenger, PDF reader, and camera, and can be useful for those who access sensitive data or just want more privacy. Here's what GrapheneOS is and how to install it on your smartphone. Source: https://www.techidence.com/what-is-grapheneos-the-most-secure-version-of-the-android-system/