Call diversion depends on the network operator and usually forwards missed calls to the mobile or mailbox.

If you wish, we can enter a personal telephone number for call forwarding, or deactivate the service altogether.

The following call forwarding settings are available in the phone app of the OnePlus smartphone:

Android 10 | OxygenOS 10.0
Call forwarding -  Open the  Phone app
Call forwarding -  Open the  menu
Call forwarding -  Open the  Settings
Call forwarding -  Tap on  Calling accounts
Call forwarding -  Choose a  SIM card   (Dual SIM)
Call forwarding -  Tap on  Call forwarding
Call forwarding -  Choose an  option
Call forwarding -  Update the  phone number  or tap on  Turn off  to disable call forwarding
  1. Open the Phone app
  2. Open the menu
  3. Open the Settings
  4. Tap on Calling accounts
  5. Choose a SIM card (Dual SIM)
  6. Tap on Call forwarding
  7. Choose an option
  8. Update the phone number or tap on Turn off to disable call forwarding

OnePlus Instructions