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[Fixed] Android Phone Could Not Install Apps

Athryn Mitchell

Mobile phone analyst, Editor-in-Chief of TransPhone. Find more on her Fackbook or Google+.

For some users, Android phones may be difficult to use when they get used to those non-smart phones. This guy, Tom Cruise, has got a brand new Samsung Galaxy S6 and since this is the first time he has become an Android user, Tom knows nothing about why the apps he has just downloaded from the internet won't install.

This is not exactly so bad a thing, because it has actually protected many phones—malware could cause a breakdown of the phone or steals your personal information. When a Samsung Galaxy S6 or any kind of Android phones has been started up, the default setting is that users cannot install non-Google Play apps for the good of security. And to change this, you can follow the steps below.

Step 1. Enter Settings
Find "Settings" on the home screen and click it.
Enter Settings
Step 2.Go to Security
After step 1, search for "Security" in the Setting List. If you cannot find it, try the "All" list instead of the "General" one.
Go to Security
Step 3.Tick Unknown Sources
There is an "Unknown sources" in DEVICE ADMINISTRATION. Check it and non-Google Play installation is allowed.
Tick Unknown Sources
This guide is based on Android 4.2.2 and the details could be different in other systems. Anyway, when you have met other problems, we are willing to help. Leave a comment.

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