I have tried the every possible way to backup the whatsapp but it is not happening what can i do i have done resetting the network settings and icloud signout and sign in and many more but i am facing problem please suggest me any appropriate solution for this my iphone specification are
Iphone11 64gb
Icloud storage used 390.2 mb
The video I have done actually helped fixing my friends backup issue with their iPhone. As a last resort, you may try with app offloading method and see whether you are able to backup again.