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Article Summary. Open your Android's Settings app. The Settings icon looks like a gray gear or wrench icon on your Apps list. Scroll down and tap Security.
This menu will let you customize your device's privacy, password, and administration settings. Turning this option on will let you install apps on your device from sources other than the Play Store. You will have to confirm your action in a pop-up box. On some devices, you may need to slide a switch instead of checking a box. In this case, slide the Unknown Sources switch to On position.
This will confirm your action and check the Unknown Sources box. It depends on what you are trying to download. Be careful, though. If it is blocked by your browser, don't download it.
Not Helpful 2 Helpful Include your email address to get a message when this question is answered. Submit a Tip All tip submissions are carefully reviewed before being published. Related wikiHows How to. How to. About This Article. Co-authored by:. Co-authors: 4. In such situations when you install an App and choose to save it to your SD Card, you will see Android App not installed error because the App cannot find the SD card as it is not mounted in your device.
Such errors can also cause the Unknown Error Code during App installation. Head to Settings then tap Security and toggle the Unknown sources switch to On. With that done, you simply need to get an APK Android Application Package on your device in whatever way you prefer: you can download it from the web, transfer it via USB, use a third-party file manager app, and so on.
Under Allow applications downloaded from select Anywhere: Download and install the app. Note:You can enable unknown sources only when your device is in Developer mode. Here, you can search the apps you want to download and then the apps will be downloaded and installed to your LG phone directly.
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