Things looked shaky for Android in its first year or two, but it has overtaken Windows as the most popular computing platform in the world. Android gained traction with device makers because it’s open source and free, and users grew to love Android for the plethora of features and customization options.
Configure a secure lock screen
Android phones all offer various forms of secure lock screens. Most phones will prompt you to do this during setup now, and you should. The defaults are PIN, pattern, and password. Most devices now offer fingerprint security which will probably be the fastest way to unlock your device. To control your lock screen, head to the system settings, and find the Security menu. Some phones have a separate lock screen menu instead. You will need to have a secure lock screen to use features like Android Pay and factory reset protection.