Unroot Galaxy S4

[oldguru]

I have a Galaxy S4, Straight talk, SM-S975L, running vers 4.3. I recently rooted the phone to be able to recover a sms thread that I had mistakenly deleted. I now wish to unroot the phone, I previously uninstalled all the software for root that I could. How do i best unroot this phone.

 

[Sam_Gs7]

Some Android Users have used this app to unroot Smartphones..give it a Try on
Link: How to unroot Android: Two incredibly simple ways to unroot your Android phone | Alphr..