i've samsung galaxy ace nxt 2(sm-g318hz)..it gone in boot mode and won't turn on stuck on samsung logo

[Natbaba]

I try to root ..but it gone into loop mode and stuck on samsung logo...hlp to fix it...

 

[Titillating]

Perform a hard reset. Hold down the power button, home button, and volume up button for about 10 seconds. Should reboot.