Samsung G3858 How to install software? G3858 cannot install software solution Tutorial

When you download some Third-party application software but cannot install it, try the following:

1. We can access the "apps" of the phone after the official view of the method.



2. Click "Set" to enter.



3. Then we click on the "More" button as shown in the following figure.



4. Then we click on the inside of the "Security" button to enter.



5. Entering the security interface we will see an "unknown source".



6. Pop-up "Unknown source" prompt, click "OK".



7. At this time the unknown source is checked, the following figure:

If the installation is not successful there may be a problem with your installation file itself, this phone can only install APK format files, and the phone itself can try to restore the factory settings to resolve.