Hey guys apk file is the package format of any android app format. APK means Android Package Format. You may easily install the android apps from Google Play store But not able to open apk file directly without using any app. And It gives You security error then here is the simple with few steps just follow and open apk file.
Method of open apk file on android phone
First of all I will talk about error you faced when try to open apk file and Its reason. Actually its due to security reasons. It is only for your safety to stop you to open third-party apps. Which may be made you unsafe. So, at least you must have to download apk file from trusted websites. The error You are facing is shown bellow in picture.
Now here is the its solution. Open settings of your phone . Than Go to the security settings.
Then check mark on the “Unknown sources” .
Now Its done simply go to sdcard of your phone. And click on the apk file . and easily open apk file .
Now of you wants to close it Then again go to settings and remove check mark on the unknown sources.
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