I am unable to get wifi in my phone at home and I forgot my passwotd
I am unable to backup b cause I cannot remember the password for my wifi
iPhone 7, iOS 13
you're going to need to figure out that password if you are using iCloud to backup your iPhone, WiFi is required.
Do you have a Mac or a computer with iTunes? Alternatively you can back up to a computer..
How to back up your iPhone, iPad, and iPod touch - Apple Support