With the function "Preferred network type" we can choose which network mode the Oppo-Smartphone should choose. By network mode we mean the 2G, 3G, 4G and the 5G network. Depending on the equipment of the device the options can differ.
- Open the Settings
- Tap on SIM card & mobile data
- Choose desired SIM card
- Tap on Preferred Network Type
- Choose between 4G/3G/2G (Auto), 3G/2G (Auto) and 2G Only