How to Set Up Dual SIM on OPPO Phone
Most OPPO phone models support the dual SIM function, allowing you to use two active SIM cards in one phone. Each SIM card can independently make or receive calls, send messages, and use mobile data. These functions can be adjusted in the settings of your OPPO device. Keep reading to learn more.
Note: Check your phone's ColorOS version in [Settings] > [About Phone] / [About Device].
How to Set Up Dual SIM
Below are the steps on how you can set up the dual SIM function on your OPPO phone:
1. Go to [Settings] > [Mobile Network] / [Dual SIM & Cellular] / [Dual SIM & Mobile Network] / [SIM Card & Mobile Data].
2. Tap [SIM1] or [SIM2] and toggle [Enable] for both SIM cards.
3. Check or edit SIM card name, number, and network settings for both SIM.
Under "SIM CARD INFO" > tap [SIM card name] / [SIM name] and enter the name you prefer for your SIM card, then tap [Save] / [OK]. Then repeat the same process for the [SIM card number] / [SIM number].
4. Go back to the main settings of the SIM card, then tap [Call] / [Calling] to set the default SIM for calls. If you prefer to select a SIM each time you make calls, select [Always Ask].
5. Go back to the main settings of the SIM card/ Mobile network, then tap [Internet] / [Mobile data] to set the default SIM for the mobile data connection.
* Pictures, settings, and paths might differ from those of your phone, but these won't affect the description in this article.