Guard against malicious apps lock up your Android

Now the smartphone has been fully integrated into our lives, many people have started to use smartphones for their main payment methods, which also makes a lot of people have a bad idea, through malicious app to steal other people's money, experienced mobile phone players know to encounter can link do not click, However, the elderly and children do not often use mobile phones do not understand, today's small compiled to teach everyone a mobile phone is not malicious app intrusion methods. First we need to use a protective app--"application lock", which allows your phone to enter the password first when it needs to install the app. We open the "application lock" to set the password first, you can also set up a secret mailbox. Then we see Google Play, Installation/uninstall, and setup in the Advanced column. It's OK to lock all three options. But some Third-party App store apps still bypass the system installation, in order to prevent this problem we also need to make some adjustments to the settings, first find the "security" option in the setting, and then enter the "unknown source" option is not checked, so do not be afraid of the wrong installation of malicious app.