In today's technology world, most of the smartwatches have cellular connectivity features. It provides extraordinary features like send and receives texts and phone calls, and they also possess phone tracking capabilities by using Bluetooth. Smartwatches come up with different brands and models.

If your smartwatch can insert a SIM card and need cellular connectivity, this article is for you. Here I will explain all the possible ways to insert and activate a SIM card for your smartwatch.

THINGS TO DO BEFORE Activating SIM Card For Smartwatch

Before you start with the insertion and activation procedure, there are a few things you need to consider.

  • Check Your Battery Status:
    First, you need to do is keep your smartphone as well as your smartwatch charged. In case the battery of either of the devices dies out, the process will be interrupted, and you might have to start over again.
  • Identify Your Smartwatch SIM Slot Size:
    Secondly, you need to check the size of the SIM card compatible with your smartwatch. SIM cards come in three different sizes - large, micro and, nano.

    Usually, these watches prefer a “nano” sized SIM card. However, many watches use a “micro” sized SIM card. You may find the compatible SIM size written on the box or in the user manual.

  • Switch OFF Your SIM Card:
    Finally, this is the most important you need to do to ensure that your smartwatch is turned “OFF” before you insert the SIM card. You must turn it on after it is correctly inserted.


Before you insert the SIM card into the smartwatch, you need to know where the SIM card slot is located on your device. Generally, it may either be on the side panel of the watch or on the backside of the watch.

METHOD 1 : If it is on the side panel of the watch

If your SIM card slot is located at the side panel, then it really a simple job. This configuration is easier for the user to insert/remove the SIM card because it does not need fasteners, such as screws.

  • Open the rubber/ plastic/ metal lid on the side panel of the watch by pushing/ pulling it.
  • You might see a SIM card tray or a SIM card slot. In case there is a tray, you’ll need to push/ pull it to take it out.
  • Then place the SIM card on the tray carefully. You need to ensure that the golden chip of the SIM card is facing up and then put back.
  • If you face any issues in inserting a SIM card, you can refer to the manual to know whether the SIM should face up or down. Once you figure that out, you may close the lid and switch on the device.

Usually, the smartwatch will display network connectivity if the SIM card is properly placed. In case it doesn’t show the connection, you may contact your service provider.

METHOD 2 : If it is on the side panel of the watch

If your SIM card slot is located at the back panel, you need to open the rear panel, which is a simple job. This configuration is easier for the user to insert/remove the SIM card because it does not need fasteners, such as screws.

  • Opening the back panel might be tricky at first, but it gets easier gradually.
  • Depending on the watch type, you need to choose the thin plastic object and a screw driver to open the back panel. It takes a relative amount of force, so you must be careful while you open it.
  • Remove all the screws present on the back panel.
  • Insert the SIM card in the slot provided. Make sure that the golden chip is facing downwards.
  • Close the back panel, insert the screws, and switch on your smartwatch.


Once you have inserted the SIM card on your smartwatch, then you should to activate the SIM card. Here is a step-by-step guide to activate your SIM card in your smartwatch.

Download The Application on Your Mobile

  • First, you need to download and install the application which can link your smartwatch to your smartphone.
  • Before downloading the application, you must check the compatibility of applying the particular application with the operating system of your device (for example, Android, iOS, etc.
  • Once you check the compatibility, you may go to your play store or app store and search for the particular application.
  • You may tap on the download button and accept the terms and conditions stated in finding the application.

Contact Mobile Carrier Provider & SETUP 

  • To activate your smartwatch's SIM card, first you must contact the mobile carrier provider. As you know, the nation provides plenty of mobile carriers.
  • You can call any mobile network service provider for your smartwatch and ask for a new eSIM link.
  • After contacting your service provider and receiving the link, copy and paste the given URL on the smartphone browser paired with your smartwatch.
  • Once the browser opens, you may enter the details of your SIM card.
  • When you have entered the details, you should accept the terms and conditions and proceed to the next step.
  • Next, your mobile browser will redirect you to a page where you need to put the 6-digit OTP sent on your device.
  • Once you have entered the OTP, you are set to go. Once you are done with the configuration, for some smartwatch models, it is mandatory to restart the device.

Once you have activated the SIM card on your smartwatch, you can directly make or receive calls on your smartwatch. But you might need a Bluetooth earbud for your smartwatch to make things easy.


This is all about how to activate a SIM card for a smartwatch.. If you have a network communication smartwatch, you can use many apps with it. With 4G LTE connectivity, you can make calls explicitly from your smartwatch without connecting your smartphone. You can also use several internet-connected implementations in your smartwatch.

Even if you want your smartwatch to stream music and content online, you'll get the features because of internet connectivity. Therefore, you need a smartwatch SIM card for 24/7 internet and network accessibility.

Hope you find this article "How To Activate SIM Card For Smartwatch" interesting and useful. Cheers.!


I am Rachel, passionate about helping people with all the aspects of the latest technology and gadgets through this blog. Also, I’m an engineer and love to research tech tools. With my own experience, I’ve provided a great list of tools for you in this blog. Are you seeking for the best quality products? Read my blog and grab the best.

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