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[Q] Can't Enable Unknown Sources

5 posts
Thanks Meter: 1
By frunabulax, Junior Member on 18th June 2014, 03:54 AM
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Hello: I have an AT&T I337 that until 2 days ago had stock ROM on it. I didn't like the fact that AT&T blocked my ability to 1) tether, and 2) sideload so after about 1 1/2 years I finally decided to root and flash a ROM that would allow me to do these things. I downgraded from NB1 to MK2, rooted with saferoot, installed safestrap, and installed Deadly Venom's v3.0.2 NC1 KitKat ROM. Since there are some outstanding instructions in the AT&T GS4 forum I was able to do all this relatively easily (and I'm pretty much a NOOB) and I'm really happy with the ROM so far. The Wi-Fi Hotspot capabilities seem to work well; the only problem is that I still can't sideload. The "Unknown sources" option under "Security" in settings is greyed out and unchecked (so are "Wait for debugger" and "Verify apps via USB," under "Developer options," but I don't think I need those items for anything). Does anyone else have this problem? Or more importantly, does anyone know how to enable "Unknown sources" so I can install apps from the Amazon Appstore, etc.? I thought for sure that rooting would be the solution, if not the custom ROM. I even tried using the AndroidCentral Sideload Wonder Machine v1.2 that someone mentioned would install apk's regardless of the phone's security settings -- it didn't. Any assistance would be greatly appreciated. Thanks...
18th June 2014, 07:16 AM |#2  
Senior Member
Thanks Meter: 212
It should be some "device administrator" app that is causing this.

Sent from my SGH-I337 running GPE using Tapatalk
24th June 2014, 06:17 AM |#3  
OP Junior Member
Thanks Meter: 1
You're right!
I just figured out that it was indeed my employer requiring device administrator privilege in order for me to sync my work email on my phone. I removed the email admin account and all my security restrictions cleared (along with my email account, unfortunately). Thanks for your advice, Case closed!
24th June 2014, 06:20 AM |#4  
Junior Member
Thanks Meter: 0

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