The document provides tips for securing smartphones, including enabling password protection, installing antivirus software, updating the operating system regularly, downloading apps only from official app stores, being cautious on public WiFi networks, turning off Bluetooth when not in use, and backing up data. Following these tips such as using passwords, antivirus software, and updating the OS can help protect smartphones from cyber attacks and data theft. The document emphasizes that as smartphones take on more functions of computers, it is important to treat mobile security like computer security.