I'm unable to enable wifi on after trying to unroot my Galaxy S4?

anon(9212013)

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Dec 2, 2014
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Today I decided to unroot my Galaxy S4 (i337m) and preform a factory reset. I ran TriangleAway and proceeded to flash the stock firmware for my device with Odin. I did a factory reset after this was all finished and everything seemed to be working fine at first. Whenever i tried to enable wifi, literally nothing happened. When i press the button to enable it, it flashes green for a fraction of a second and turns back to grey again. If i open up the wifi menu and try to turn on the switch, it instantly returns to the off state and the test "Turning on..." gets stuck on the wifi menu. I have tried just about everything I've seen online and nothing seems to fix it. If anyone has any suggestions to try, it would be greatly appreciated.
 

Rukbat

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Feb 12, 2012
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Make sure the stock firmware is directly (IOW, you downloaded it yourself) from Samsung or SamMobile. Anything else is the first suspect.
 

wrready2

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Nov 19, 2014
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Had the same problem on a ROOTed verison S5. I reinstalled several of the rooted programs and it stopped ? ie. SuperSu, TI backup, Safestrap.
Maybe if you completely un-installed the rooted programs since your not using them now ?? Just a thought.
 

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