There are different ways to download and install apps on Android mobile phones. Google provides a primary app store for Android, known as Google Play. You can fire up the Play Store app on your Android device, sign in your Google account, then search, download and update apps from there. Some Android phone makers may have their own Android app store, such as Samsung, Xiaomi, Tecno, Infinix, etc. Also you can even download apps in .APK format from the internet and install it on your device. You could also download the APK file to your computer, copy it over to your Android, then open up a file manager app to find and install it. However before you can install third-party apps, you have to enable the app installation from unknown sources from your phone settings, otherwise they will be blocked. Today, we will show you how to install unknown app, install apps from unknown source, or apps downloaded from third-party websites on Infinix mobile phones.
Unlock your Infinix phone, head to Settings. Instead of Security like many users may think of, you should go to Apps & Notifications.
Then choose Special App Access.
Choose Install unknown apps, a list of apps will be displayed.
Touch to select the app that you like to grant it the permission to install apps. For example, you may want to allow the File Manager to install APK android apps on your Infinix mobile phone.
Touch the toggle besides All from this source to allow the file manager app to install unknown apps, apps from unknown source, third-party websites on Infinix mobile phone.