The process of sideloading Android apps allows users to install additional applications from various sources (besides Google Play) on their devices alongside purchasing apps from Google Play as usual.
HOW TO SIDELOAD ANDROID APPS FOR SAMSUNG, HTC, LG, OPPO
By default, the sideload feature is not activated, so you need to enable it first. From Settings, select Security and Privacy (depending on the ROM version).
Navigate to Unknown Sources and toggle the icon to the right to activate sideload Android apps.
Enable the option to install apps from outside Google Play
Press Ok to confirm
After confirming, the Unknown Sources icon will turn green. If you wish to deactivate it, slide it to the left.
Thus, Mytour.vn has provided guidance on how to sideload Android apps. By following these steps, users can apply them to their Samsung, HTC, LG, Oppo phones.
https://Mytour.vn/sideload-app-android-3579n.aspx
In addition, having too many apps installed on your device can slow it down and reduce its performance. At this point, you can delete Android apps that are seldom or no longer used to optimize your device. We wish you successful activation of sideloaded apps!