First and foremost, it's crucial to enable encryption on your smartphone or mobile device. Encryption ensures that your data is protected by converting it into code that can only be read with a secret key or password. Though it may not be enabled by default, most modern devices provide an option to activate this feature in their settings.

Secondly, two-factor authentication, or 2FA, is a great way to protect your accounts from unauthorized access. Rather than relying solely on a password, 2FA requires an additional step in the authentication process, such as a code sent to your phone or email address. This method ensures that even if your password is stolen, an attacker still cannot access your data without access to your phone or email.

Lastly, secure browsing techniques can help protect your personal data while using the internet on your mobile device. You can use a virtual private network (VPN) to encrypt your data while browsing, ensuring that it cannot be intercepted by hackers or other malicious parties. Additionally, you can use a trusted third-party browser with built-in security features, such as Google Chrome or Mozilla Firefox.

In summary, securing personal data on smartphones and mobile devices requires a combination of encryption, two-factor authentication, and secure browsing techniques. By following these tips, you can help ensure that your data remains safe and protected from malicious parties.