On the Oppo smartphone, apps can use mobile data or WLAN as standard. If desired, the Oppo device can be set up so that selected apps only have access to the WLAN, mobile data or no network at all. If, for example, there is no WLAN in range, the apps concerned cannot access the Internet via the mobile data.

Android 10 | ColorOS 7.0
Step 1:  Open the  Settings
Step 2:  Tap on  SIM card & mobile data
Step 3:  Tap on  Data usage
Step 4:  Tap on  Network Permissions
Step 5:  Choose desired  App
Step 6:  Choose between  Wi-Fi & Mobile Data,   Wi-Fi ,  Mobile Data  and  Disable Network
  1. Open the Settings
  2. Tap on SIM card & mobile data
  3. Tap on Data usage
  4. Tap on Network Permissions
  5. Choose desired App
  6. Choose between Wi-Fi & Mobile Data, Wi-FiMobile Data and Disable Network

Oppo Instructions
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