Simapp Sim subscription app for Aether Subscriber Configuration SIMApp can configure devices in 5G as well as in 4G. look for config/simapp.yaml file for all override options Update subscriber range for your usecase Make sure sub-provison-endpt points to webui (5g configpod service) or config4g (4G configpod service) Optionaly simapp can be used to configure network slices in the 4G/5G network functions as well Update device-groups, network-slices as per your need Reach out to us through #sdcore-dev channel in ONF Community Slack Extensive SD-Core documentation can be found at SD-Core Documentation Raise Github issues