The WLAN password is used to connect a mobile device to the home-WLAN. It's not the same as the Internet-Box admin password.
I have access to the Home App:
To view/reset the WLAN password, follow these steps in the Home App:
- «Internet» tab > «WLAN settings» > «WLAN password»
- View and/or reset password
I don't have access to the Home App: Manage WLAN password