Software update problem

[Android Central Question]

Can anyone help me plz....
I'm having a software update problem on Samsung Galaxy note 5 SM-N900
When I tap on download software update its come registering device then processing failed

Plz help me to fix that problem I really want to update my cell phone's software

 

[belodion]

The phone is unrooted?

 

[Negash]

Yes wat can i do to root it