How do I back up my system Lumia 930?

[Windows Central Question]

How to back up system lumia 930

I have problem with speaker Lumia 930. Cannot working for voice massage Whatsapp and video recording. Need send to MSC for checking. Before that my system need backup. How to backup that system?

 

[Mr Lebowski]

Re: How to back up system lumia 930

Go to Settings > system and find BACKUP on the list.

 

[Harrie-S]

Re: How to back up system lumia 930

Also see this link.
http://www.wpxbox.com/windows-phone-8-1-backup-restore/