Install Apps from Unknown Sources on Other Android Versions
On older Android Phones and devices with specific UI, the method to install Apps from unknown sources can be different.
1. Open Settings and tap on Security (May appear as Security & Privacy).
2. On the next screen, enable installation of Apps from Unknown Sources by moving the toggle to ON position.
3. On the warning pop-up, tap on OK to confirm.
Note: Once you are done installing the Third Party App, make sure that you disable the option to install Apps from Unknown Sources on your device.
