Schedule backup

Hi all.
I have pr4100 firmware 2.40.155
I try set dayly backup to external wd mypassport via usb .

I’m not find this.
I read I can’t to it wit firmwar 2.x
can I upgrade firmware from 2.x to 4.0 ?

tanks all

Hi,

You could refer to the following link: https://support-en.wd.com/app/answers/detail/a_id/20227