How to activate a sim card for a smartwatch? Every newbie smartwatch lover wants to know the answer to this question. Even, I was looking for this answer before I entered the beautiful world of smartwatches. In this blog post, we are going to discuss the same because I have the real life experience.   

Smartwatches means watches which act smart. It is not necessary that all smartwatch have a SIM Card slot.

The watches which can act like a smartphone are termed as smartwatches. Some smartwatches can be used only by connecting the mobile with the device using the Bluetooth. With those smartwatches, customers can also make calls & receive calls. 

In a nutshell, smartwatches do all the things that are done by a smartphone. 

Some smartwatches do not require a SIM card. However, if you’re looking to equip your child with a smartwatch that supports GPS, so you can use it as a location tracker, then you’ll need a SIM card. Smartwatches with SIM cards can access GSM, LTE, or other networks and may offer limited options for making calls or sending texts, to help you keep in touch with your kids.

Most of the smartwatches offer central features of GPS smartwatches including video calling, voice calling, Wi-Fi calling, smart messaging, and location-tracking. They need a Nano SIM Card. 

What You Need To Consider?

Check Network Coverage:

Checking the network coverage is very important. If you are having proper and good network coverage then only you will enjoy the features as per your satisfaction. 

You have to check into the network coverage. Smartwatches with SIM cards use cellular networks to operate so you have to check into network coverage.  At present, this can mean accessing 2G, 3G or 4G LTE networks (second, third, or fourth generation).

It’s vital to check that you will be able to get a signal in your area and with your chosen provider before buying a smartwatch. If you are not able to get the signal in your area then you have to suffer a lot. So choose your network wisely according to your area. 

Travel with smartwatch:

If you’re planning on taking the smartwatch with you when you travel, you may need to check whether your carrier applies roaming charges. Although your smartwatch will be very helpful while travelling. You just need to check the network connectivity.  

Why There Is Need Of Sim Card In Smartwatch

Sim card is an essential feature which a smartwatch must have. If you are having a smartwatch with cellular connectivity option, you will be able to use lots of features with it. 

Smartwatches with 4G LTE connectivity will be able to make calls directly from your smartwatch, without the need of connecting it with your smartphone. You can also use several applications with internet connectivity in your smartwatch. Even if you want to listen to online music and content in your smartwatch, you will get the features because of internet connectivity. Therefore, you need a SIM card in your smartwatch for 24/7 connectivity with the internet and network.

Is It Better To Have A Watch With A Sim Card Not? 

It depends. If you have a smartwatch that needs a SIM card and you’ll have ongoing costs for the service plan. On the other hand, it’s practical to not have to carry around your phone whenever you want to use your watch. 

The SIM card in any device, connects to a carrier’s network using unique identification data. It’s a little bit of information stored in a chip, that enables connectivity. It also prevents it from connecting to other carriers’ networks. The most common sized SIM card for smartwatches is Nano, although some are also using the Micro size.

Right Sim For Your Smartwatch:

How to get the right sim card for your smartwatch?

There are lots of brands and options available in smartwatches. The important factor is that you should know about the type of cellular connectivity technology used in your smartwatch. 

Nowadays, you will find the option of eSIM and the regular SIM card to insert in your smartwatch. The other main factor is that you should also know that your smartwatch has 3G or 4G LTE technology support. 

How To Activate Sim In Your Smartwatch?

Today smartwatches have similar functions like smartphones. Smartwatches have the capability of phone tracking using bluetooth and can send and receive texts. 

There are lots of smartwatches available with cellular connectivity features such as bluetooth and SIM card. Depending on your preferences, you can either put a regular Sim Card in your smartphone or get the eSim option in the smartwatch. 

Most importantly, you can use those smartwatches which can send and receive texts after eSim activation. The one thing you will need to know is that the insertion and activation process for the Sim Card for your smartwatch to function the right way. Most of the people are not familiar with these processes. 

Insertion of SIM card in smartwatch:

The first step is to insert the SIM card in your smartwatch. All you need to know where the SIM card is located on the device before inserting it. Suppose, if the SIM card is located at the back panel, you need to open the real panel which is a simple job. Therefore, you will need to have a screwdriver and thin plastic depending on the type of watch. Then, with the help of screwdriver and thin plastic, you can open the back panel. 

Note that you have to remove the back panel using the plastic or flat object only. Also, ensure that the golden tip is facing downwards as you insert the sim card into the provided slot. After the completion of the entire procedure, switch on the device after inserting the screws and closing the back panel.

On the other hand, if the slot is on the side panel of the device, start by opening the lid or rubber and pull the SIM card slot tray out. This opening may be hard at the beginning but will slowly get simple.

Place the SIM card on the shelf while facing upwards. Then put the plate back to the side panel. After completion, switch on the device after closing the lid. If the device is inserted correctly, the smartwatch will display the connectivity of the network.

Activation of the SIM card:

Now, after completing the process of inserting the SIM card, we have to move to the activation process.

The very first step you need to do is download the app which is compatible with your smartwatch. And make sure that the application is compatible with the device operating system. 

Start downloading the application on your phone linked with your smartphone and install it. Once you are done with that search the application on the app store or play store,you have to accept the terms and conditions of the application then take a step of downloading it. 

Secondly, you must contact the mobile carrier provider which is usually the first step for the activation of the SIM card. You can call any mobile network service provider in your smartwatch and ask for a new eSIM link. And then, on the smartphone, copy and paste the URL sent by the service provider.

Lastly, continue by entering the details of the SIM card after opening the browser. Then accept the terms and conditions. Once you have finished filing the information you will move to the next page and put 6 OTP digits which will be sent to your device. 

You are now ready to go once you have entered the numbers. Now all you need to do is restart the smartwatch to complete the process, since some smartwatches may need to restart.

In a nutshell, the activation of a SIM card in your smartphone is essential. To activate, make sure your smartphone is fully charged to prevent interruption of the whole process. The above listed process will guide you to insert your smartphone activation correctly.


You can use many apps if you have network communication. Smartwatches can make calls without connecting your smartwatch with your smartphone with 4G and LTE connectivity.

Hopefully, this will help you with the activation process of SIM cards in your smartwatch. Just follow up the few steps correctly and then you are all ready to enjoy the SIM card service in your smartwatch.

Jaspreet Singh

I'm the co-owner of Wearable Hacks. I love to write about smartwatches. On this website, I share everything That 'I learned. For more information Go to About Page

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