How do I turn off 5G on Samsung Galaxy Z Flip 3 5G?

Tap Mobile networks. Tap the Network mode SIM you’d like to change. To enable 5G connection, tap 5G/4G/3G/2G (auto connect). To disable 5G connection tap 4G/3G/2G (auto connect), 3G/2G (auto connect) or 3G only .