Dont Worry! So here's trick to kick "Super user" and take your phone into Unrooted Condition back again.
1. Just Download this File
2. Save it in the root of SDCard.
3. Restart into Recovery mode [Shutdown and Hold (Volume Up + Power Button + Home Button) at once for few Seconds]
4. Choose "Update using a Zip file"
5. jz point this Unroor.zip and Proceed.
Voila! It should work!
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