After rooting with Kingo Android Root...

Your Samsung device may experience following "symptoms":
Device status will become "Custom/Modified", instead of "Official";
Go to Settings > About device > Status > Device Status > Custom
Boot into download mode and find out system status is Custom
Cannot receive OTA update.
And you may wonder...
How to restore phone status from "Custom/Modified" to "Official"?
How to receive OTA update after rooting?
There is one direct and most effective solution for both - that is to flash the Stock/Official ROM (original firmware) via specific tools.
This tutorial can also be followed to...
Restore your firmware when your device is soft-bricked;
In the event you think your stock ROM is faulty;
Flash back to a previous version on your Samsung device and continue....http://www.alexintutor.com/2016/01/how-to-flash-samsung-stockofficial-rom.html