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I have Nexus 10 and have 2 users on it. On Android 4.4 both Users could install application from unknown sources.

After upgrade to Android 5.0 admin user has Security-Unknown Sources flag is "on" but secondary User has this flag greyed and disabled.

How can I switch it on?

marked as duplicate by Matthew Read Sep 24 '15 at 0:53

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It might be possible to do it with a rooted device, but on Android 5.0 only the primary user can install apps from Unknown Sources.

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