How To Disable/Remove LenovoSafeCenter on Lenovo S650

(It works on rooted phones)
-Rename LenovoSafeCenter.apk to LenovoSafeCenter.apk.bak (/system/priv-app/LenovSafeCenter.apk)
-Rename libnac.dat to libnac.dat.bak (/system/lib/libnac.dat)
Restart your phone

(I have tried on my Lenovo S650 phone and works)