Dual SIM Capability, Initially, was only available on Android devices, but now with the integration of eSIM, dual SIM is also a reality on the iPhone. Even though the Dual SIM is available on Android and iOS devices, here in this article, we will check how to change the default call sim selection for a contact.

This article will check how to use two SIM cards on your phone, a feature available on Android and iPhones. We’ll specifically look at how to choose which SIM card your phone uses when you call someone. You can set your phone to ask which SIM to use every time you call or choose a preferred SIM for certain contacts. If you ever want to change or remove this setting for a contact, we’ll show you how to do it in a few simple steps. This guide is helpful for anyone looking to manage their phone calls more easily using dual SIM cards.

Call Selection With Default SIM

Since almost all Android mobile phones support dual SIMs, most people prefer to use a SIM card for call selection, SMS, and data usage. Users can choose an active SIM from the phone settings area. However, some users refer to the SIM card as a Card only. So, if you find any reference term like the default call card regarding the SIM card, it simply means the default SIM card itself.

In some cases, users will set the SIM selection for the calls as Ask each time, in which, once the user makes a call, a popup will ask for the SIM selection. The main benefit is that the user can switch the SIM for different calls. If the SIM selection is made from the settings, all the calls will be made using that particular SIM.

Here is an additional option that most of us didn’t notice. When making a call, the SIM selection window will appear. A checkbox says Remember this choice. If you select that option and choose the SIM, all the calls to that particular number will be routed only through that SIM card. Here, the selected SIM will be the Calling SIM for that contact. You will not get the SIM selection window anymore for that contact.

The selection will not be changed even if you change the default SIM selection from the settings. So, it may be annoying too since, in some cases, we may have to call that number from the other SIM, which is not possible directly. But, this default SIM (default call card) preference for a particular contact can be removed or easily clear the calling selection.

Like the default app selection on Android, we can change the default calling SIM selection. So, let’s see how to remove the default Call SIM selection for a particular contact.

  1. Goto your phone contacts.
  2. Find the number you are looking for from the list. The calling SIM details need to be cleared.
  3. Click on the particular contact.
  4. The next screen shows the details of that contact, including name, number, etc.
  5. Now, long-press the number.
  6. Now, you will get a small popup window with some options.
  7. From the options listed, click on Clear calling SIM.
  8. Done. The preferred calling SIM for the selected contact is removed.
  9. Try calling the number again, and you will see the SIM selection option.

Why do the preferred call, Message, and Data SIM selections change Automatically?

Once you set your preferred SIM card for calls, SMS, and Data, the selection will be permanent and will not be changed. However, if you temporarily disable any SIM card, the selection will also reset automatically to the active SIM on the Android. Android offers the option to disable the SIM from the setting. However, you cannot disable both SIMs together. One active SIM should always be available on the device.