Samsung S20 Ultra 5G "Sim Manager" Restoration

My Samsung S20 Ultra 5G has a missing 'Sim Manager' option in the settings. I've already attempted some troubleshooting steps like restarting the phone and resetting the network settings, but the issue persists. I need an expert to diagnose and restore the 'Sim Manager' option.

Ideal skills for this job:
- Expertise in Samsung devices, particularly the S20 Ultra 5G