The last backup could not be completed because of poor network conditions error

Check the network connection:

You need to have a good Service and/or Wi-Fi.

If they are On, turn Off Hotspot & VPN.

Charge the battery > 70%.

If you can't connect to the App Store, iTunes Store, or other Apple services

If you can't connect to the App Store, iTunes Store, or other Apple services - Apple Support

👉 If you tried all of the above steps and you still can’t connect, contact Apple Support.

oh good. get to spend hours and hours troubleshooting, restoring, restarting, and maybe just maybe i’ll solve the problem. please see this issue Backup No Longer Working Ove Xfinity Wi-F… - Apple Community

Get support from Apple directly -> Get Support or call Apple in your region see -> Contact Apple for support and service or check -> here for more support and assistance.

i’m having the same issue

See what posted.

not helpful. already have done all those things