hicolor-icon-theme from home:cfconrad:branches:ModemManager project
Select Your Operating System
Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cfconrad:branches:ModemManager/15.4/home:cfconrad:branches:ModemManager.repo zypper refresh zypper install hicolor-icon-theme
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cfconrad:branches:ModemManager/15.3/home:cfconrad:branches:ModemManager.repo zypper refresh zypper install hicolor-icon-theme