For questions concerning the 'Allow unknown sources' setting (which must be enabled if you want to install apps from souces other than the playstore). If your issue is about the installation itself, use the 'side-loading' tag instead.

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17
votes
1answer
23k views

Why can't I press the Install button when installing applications from unknown sources?

I'm trying to sideload an application, as seen in the picture below. I have allowed the installation of applications from unknown applied actions in settings, but I can't seem to press the install ...
9
votes
4answers
6k views

How to install from unknown sources on AT&T?

A friend of mine has an HTC Aria on AT&T. On his application settings screen, he does not have the option to allow installation of apps from unknown sources. Is there any way to change this ...
18
votes
3answers
2k views

Why can't I download games, apps, etc from any site except the Official Android Market?

Every time I try to download any of the games I love from any site except the Android Market, my phone tells me that the settings are set to not allow unknown apps to be run on my phone. By the way I ...
1
vote
2answers
941 views

Allow “unknown sources” from Terminal without going to Settings App?

I have a corrupted Settings app in CyanogenMod and have a possible idea to restore a backup of it (App and Data) in Titanium Backup. But it's currently set to not allow "unknown sources" so Titanium ...
1
vote
1answer
415 views

App download from own server shows unknown resource, How to make it trusted one [closed]

May be I am asking discussion related question, I am sorry if you feel it wrong, but I am really stuck while deciding what to do. For first time app Installation I have to give Download link for ...
17
votes
2answers
972 views

I have Unknown Sources enabled on my phone, now what?

Along the same lines as this question. What's so special about enabling Unknown Sources, and what are some things that I should do once it's enabled?
4
votes
3answers
1k views

Toggle “Unknown Sources” with Tasker

Is it possible to toggle the Unknown Source setting with Tasker? I couldn't find such a setting. I also tried the Secure Settings Plugin there is also no action for this. What I want to achieve is to ...