SIM card settings on your smartphone - everything you need to know

What parameters and settings of SIM cards are available in smartphones?

In the smartphone settings there is a separate SIM card management section, where you can select the preferred network type, set traffic for the mobile Internet, etc. Let's look at the basic settings of the SIM card and figure out what each individual parameter is responsible for.

International roaming

The “International Roaming” or “Data Roaming” function (the name of the technology differs in different smartphones) activates the ability to use the Internet in another country. For example, if you use a SIM card from a Russian mobile operator, you need to activate roaming to enable mobile data abroad.

For communication, foreign base stations will be used - towers of local cellular operators. Each operator has roaming conditions in their tariff plans. When using this function, you need to remember that using the Internet while roaming abroad is expensive. It’s easier to buy a SIM card from local operators - this will help you save a lot of money on using mobile communications in another country. Thus, the “International Roaming” function is usually used to avoid connecting to roaming and debiting money from the phone.

If you activate the roaming function in your country, no changes will occur in the operation of the SIM card. The operator will not charge additional fees for using the Internet, and the data transfer speed will not decrease.

What does default account mean?

Google makes it easy for all users to switch between multiple accounts they have. One of these Google accounts

is assigned as your default account
,
which, according to Google's rules, is the one you registered first.

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[Questions] Selecting a SIM card when making a call

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Denchek332 choose the third option or when you call there is a function for changing the SIM card, the call is automatically reset and calls back with the dear SIM

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CAHEK80 turn this on and it will constantly ask which SIM to call with

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CAHEK80 turn this on and it will constantly ask which SIM to call with

task, run from the desktop, don’t go into settings every time you call

Local tourist task, run from the desktop, don’t go into settings every time you call

Something strange, some kind of firmware. I've never encountered such a mess. Did this happen after the update? or initially?

CAHEK80 Some kind of strange firmware. I've never encountered such a mess. Did this happen after the update? or initially?

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Configure the choice of SIM card for calls on Honor 9 and similar Android devices.

How to set up Honor so that when you make a call you can choose which SIM card to call from . If your smartphone or tablet supports two SIM cards, then the most convenient option is that when making an outgoing call you are offered a choice of which SIM card to call from the first or second. But some users want all outgoing calls to come from only one of the two SIM cards; this is sometimes really necessary if the second SIM card in the phone is not intended for calls, but is needed, for example, for the Internet or SMS messages. In any case, the information below will help you configure the choice of SIM card for calls, in our example we will show how on Honor 9, perhaps the instructions will be suitable for other smartphones and tablets on Android.

Open “Settings” on your smartphone. Next, select “Wireless Networks”. Look at the attached screenshots below. In the menu that opens, select “SIM card settings”.

Now in the window that opens we need the “Default calls” item. Look at the screenshot attached below, where I have highlighted this item, but since at the moment I only have one SIM card installed, I have nothing set. For those who have two SIM cards, you will see what settings for calls are installed on your phone. To configure the selection of a SIM card for calls to Huawei or to configure all outgoing calls to come only from one selected SIM card, you need to click on the “Default calls” item and select the option you need in the menu that opens.

I hope you found the information you were looking for and were able to set up SIM cards. Don’t forget to leave a review and indicate the model of your device, to which the information above fits or not, so that other visitors to the site will receive useful information from you. If outgoing calls are configured differently on your smartphone or tablet, then please share the information below in the reviews and perhaps it will be the most useful.

Add a review, addition to the article, or useful advice on the topic of the page.

Author: Sergey 01-02-2021 06 hours. 30 min. Message: Helped for honor dua-l22 Author: Maxim 07/05/2020 19 hours 31 min. Message: Thank you very much for your help. Author: Nadezhda 10-06-2020 18 hours 25 min. Message: THANK YOU! Author: Alexander Korovin 02-05-2020 19 hours. 23 min. Message: Thanks for the information, you are the best. Author: Nika 04-07-2019 21 hours. 35 min. Message: Both SIM cards are turned on, the default call is not set, but when dialing a number, the phone detects one SIM card and calls from it. How to select both SIM cards?

By leaving reviews, you help others make the right choice. YOUR OPINION MATTERS.

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How to select a SIM card when making a call

The phone supports two SIM cards (function 2 DUOS), but the call is always made from one without a request or confirmation (if the settings are default). By default, this feature is not installed; you have to manually select which SIM card to use by default before calling. Or the option is to dig into the settings so that it automatically issues a request when you call. Well, you can make all calls from a specific SIM card without requests, if there is one with a certain tariff for calls. Although many people use both, and always decide for themselves, in this case, it is better to let the device provide the choice.

Go to the section: Settings/SIM card manager/Voice call/Always ask On the last right screen we see what request is performed when calling any contact

PS

By the way, I found and tested a working version, without settings. In the call log, click on the caller’s avatar (only on the avatar and not the contact name and a window will open with a choice of SIM card.

:

I don't have a SIM card manager. No voice call

Me too, unfortunately. I have to turn off one of the SIM cards in the settings and make calls. The phone is LG K10. This is after the last system update. Before, everything was ok.

My phone has lost voice calling, what should I do?

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Configure Xiaomi so that when it calls it always asks which SIM card the call came from

Your smartphone does not offer a choice of which of the two SIM cards to make a call from? In this article you will find detailed instructions with attached pictures on how to configure Xiaomi so that when making a call you are always offered a choice of which SIM card to call from Sim-1 or Sim-2, as well as how to make sure that all calls are from only one SIM card.

Perhaps this information will be suitable not only for Xiaomi smartphones, but also for other Android devices. Sometimes, after purchasing a phone with two SIM cards, the owner may encounter a problem when outgoing calls come from only one SIM card, even though the phone has two SIM cards. And it happens that by chance you or someone else, for example children, in the settings, instead of the phone asking which SIM card to call from, installed one specific SIM card. An experienced user can easily change the settings to ask which SIM card the call came from or only from the desired SIM card, but a simple user may not be able to find a solution to this problem on his own. I hope the information below will help in solving your problem. Good luck.