How to Install APK Files on Android

some android mobile disable install unknown app,
solution case 3:

Case 1 : trust app and install. if it installed (easy)

Case 2: install it then you must press “More info” and then tap the “Install anyway” (easy)

Case 3: Unknown Source Apps in andriod 10 or later

This guide assumes you’re running a device running Android 10 and later.

Installing Unknown Source Apps from APKs on Android

1. Open the Settings app on your Android device.
2. In the Settings menu, tap Apps.
3. Tap Special app access (or Advanced > Special app access).
4. Tap Install unknown apps.
5. Select an app to use to install an APK file—your browser and file management apps are the best option here.
6. Tap the Allow from this source slider to allow APK files to be installed via that app.
7. Installing Unknown Source Apps on Samsung Devices
8. Samsung devices run Android, but the company likes to do things a little differently. If you want to install unknown source apps on a Samsung Galaxy smartphone, for instance, you’ll need to follow these steps.
9. Open the Settings app.
10. In Settings, tap Apps.
    
11. Tap the three-dots menu icon.
12. Tap Special access.
    
13. In Special access, tap Install unknown apps.
    
14. Tap the slider next to your web browser or file management app in the list to allow APK installation from it.
    
15. Then return to dowload app, to install it.
    
    Where to Download APK Files on Android (And Is It Safe?)
    You should only download and install APK files from a source you completely trust: https://www.eohours.com
    install eohours or eohoursLX App , please confirm dowload it on eohours.com
    
    

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