OPPO R15 Pro
Android 8.1
Select dual SIM settings
When you insert two SIMs into your phone, you can make calls and send and receive messages from both SIMs. You can also select a default SIM for mobile data usage.
-
1Find "Dual SIM & Mobile"
- Press Settings.
- Press Dual SIM & Mobile.
-
2Turn use of SIM on or off
- Press the required SIM.
- Press the indicator next to "Enable" to turn it on or off.
- Press the Return key.
-
3Select default SIM for calls
- Press Call.
- Press the required setting.
- Press the Return key.
-
4Select default SIM for mobile data
- Press Internet.
- Press the required SIM.
-
5Return to the home screen
- Press the Home key to return to the home screen.