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Author
Uliana Aitakayeva
Published on
Dec 6 2023
Smartwatches with eSIM technology have revolutionized wearable devices by enabling standalone connectivity without relying on a smartphone. With an embedded SIM (eSIM), these smartwatches allow users to make calls, send messages, and access the internet independently. This article explores how eSIM technology works, the best smartwatches available in the market, and how to choose the right one for your needs.
For smartwatches, eSIM technology enables standalone connectivity, meaning the watch can function independently without being tethered to a smartphone. Users can make calls, send messages, stream music, and access the internet directly from their smartwatch, even if their phone is left behind. This is particularly useful for fitness enthusiasts, travelers, and professionals who need a compact yet fully functional communication device.
Setting up an eSIM smartwatch is relatively straightforward but may vary depending on the manufacturer and carrier. The general steps include:
Check device compatibility – Ensure your smartwatch supports eSIM functionality. Some smartwatches come in both Bluetooth-only and eSIM models, so verify before purchasing.
Choose a carrier – Not all mobile networks support eSIM for smartwatches. Check with your carrier to see if they offer plans compatible with your device.
Obtain a QR code – Most carriers, like Global YO, provide an eSIM activation QR code, which contains the necessary information to provision the eSIM profile on your smartwatch.
Activate through settings – Using the smartwatch’s settings menu (often under Mobile Network or Cellular), scan the QR code and follow the on-screen instructions to complete activation.
Enable standalone mode (optional) – Some smartwatches allow users to switch between standalone and Bluetooth mode. Standalone mode lets the watch function independently, while Bluetooth mode connects it to a paired smartphone.
Once activated, the smartwatch will be able to make calls, send SMS, and use mobile data just like a smartphone. Users can also manage their eSIM profiles, switch between different carriers, and enable roaming when traveling.
Not all mobile carriers support eSIM for smartwatches, and availability varies by country. While major carriers like Global YO, AT&T, Verizon, T-Mobile, Vodafone, and Orange offer eSIM support for smartwatches, smaller or regional providers may not.
Before purchasing an eSIM for your smartwatch, you should check:
Carrier support – Verify that the mobile network offers eSIM plans for smartwatches. Some carriers only provide eSIM services for smartphones and tablets.
Device compatibility – Some smartwatches are locked to specific carriers, while others support multiple networks.
Plan limitations – Some providers require an add-on plan or a shared number feature to sync the smartwatch with an existing smartphone number.
For international travelers, global eSIM providers like Global YO, Airalo, and Holafly offer temporary eSIM plans, allowing users to stay connected abroad without incurring high roaming charges.
By understanding eSIM technology, the activation process, and carrier compatibility, users can make informed decisions when choosing an eSIM-enabled smartwatch for their connectivity needs.
As eSIM technology continues to grow, many smartwatch brands now offer models that support standalone connectivity, allowing users to make calls, send messages, and use mobile data without needing a paired smartphone. Below is a detailed look at some of the best eSIM-enabled smartwatches, categorized by brand.
Apple has been at the forefront of eSIM integration in smartwatches, starting with the Apple Watch Series 3. Since then, every new Apple Watch model has offered an LTE variant with eSIM support, allowing seamless connectivity for calls, messages, and internet browsing.
Notable Apple smartwatches with eSIM include:
Apple Watch Series 3, 4, 5, 6, 7, 8, 9, 10 (including Aluminum and Edition Series)
Apple Watch SE (2022) – A budget-friendly alternative with essential smartwatch features.
Apple Watch Ultra, Apple Watch Ultra 2 – Premium models designed for adventure, extreme sports, and extended battery life.
Apple Watches are known for their tight integration with iPhones, advanced health tracking (ECG, blood oxygen, heart rate monitoring), and Apple Pay support. They are best suited for iPhone users looking for a high-end wearable experience.
Google has entered the smartwatch market with its Pixel Watch series, which runs on Wear OS and offers seamless integration with Android phones. These smartwatches feature Google Assistant, Google Wallet, and Fitbit-powered health tracking.
eSIM-enabled Google Pixel smartwatches include:
Google Pixel Watch
Google Pixel Watch 2
Google Pixel Watch 3
These watches offer customizable watch faces, deep Google service integration, and smooth performance, making them ideal for Android users who want a premium Wear OS smartwatch.
Samsung has been a pioneer in Android smartwatches, offering eSIM support in multiple models across its Gear and Galaxy Watch series. Samsung’s smartwatches run on Wear OS with Samsung’s One UI and offer extensive fitness tracking, Samsung Pay, and deep integration with Galaxy smartphones.
Popular Samsung smartwatches with eSIM include:
Samsung Gear S2 3G, Samsung Gear S2 classic 3G, Gear S3 frontier LTE, Gear S3 classic LTE
Samsung Galaxy Watch Series:
Galaxy Watch, Watch Active2, Watch3, Watch4, Watch4 Classic
Galaxy Watch5, Watch5 Pro, Galaxy Watch6, Watch6 Classic, Galaxy Watch7
Watch Ultra
Samsung Galaxy Watch FE – a more affordable eSIM smartwatch from Samsung.
Samsung’s eSIM smartwatches are excellent choices for Android users looking for long battery life, fitness tracking, and advanced smartwatch capabilities.
Xiaomi is expanding its smartwatch lineup with eSIM-enabled models, offering affordable alternatives with robust features like AMOLED displays, fitness tracking features, and long battery life.
Top eSIM-enabled Xiaomi smartwatches:
Xiaomi Mi Watch (China)
Xiaomi Watch 2 Pro
Xiaomi Watch S3
Xiaomi Watch S4, Xiaomi Watch S4 Sport
Xiaomi smartwatches are best for budget-conscious users looking for reliable eSIM connectivity with great battery life.
Honor offers a small but powerful selection of eSIM-supported smartwatches, ideal for users looking for affordable yet stylish options with fitness tracking and long battery life.
Honor Watch 4
Honor Watch 4 Pro
Honor Watch 5
Huawei has developed a strong smartwatch lineup with eSIM support, focused on premium design, health tracking, and long battery life.
Popular eSIM-enabled Huawei smartwatches:
Huawei Watch 2 (2018)
Huawei Watch 3, Watch 3 Pro
Huawei Watch 4, Watch 4 Pro
Huawei’s smartwatches are a great choice for users who want high-end features, independent connectivity, and extended battery life.
Vivo has introduced several eSIM-enabled smartwatches, offering a mix of affordability and premium features.
Vivo Watch 2
Vivo Watch 3
Vivo iQOO Watch, iQOO Watch GT
Vivo Watch GT
Vivo’s smartwatches are best for users who want a stylish and affordable Wear OS device with eSIM support.
Oppo has been integrating eSIM into its smartwatches, delivering sleek designs, Wear OS support, and fitness tracking.
Notable Oppo smartwatches with eSIM:
Oppo Watch, Watch 2
Oppo Watch 3, Watch 3 Pro
Oppo Watch 4 Pro, Watch SE
These watches are great for users looking for premium design, fitness and health features, and smooth Wear OS experience.
In addition to the major brands, several other companies offer eSIM-capable smartwatches with unique designs and features.
Meizu Watch
OnePlus Watch 2 (eSIM)
TCL MoveTime
Nubia Alpha, Nubia Watch
Oukitel WP30 Pro, Oukitel WP33 Pro
ZTE nubia Watch, ZTE nubia Alpha
These smartwatches cater to niche markets, offering diverse features such as rugged designs (Oukitel), futuristic wraparound displays (Nubia), and affordable eSIM functionality (TCL and Meizu).
One of the biggest advantages of an eSIM smartwatch is the ability to make and receive calls and texts without needing to be paired with a smartphone. This feature is particularly useful for:
Workouts & Outdoor Activities – Leave your phone behind while running, hiking, or cycling and still stay connected.
Emergencies – Contact someone quickly even if you don’t have your phone with you.
Convenience – Easily make calls and respond to messages directly from your wrist.
Many eSIM smartwatches also support voice assistants like Siri, Google Assistant, and Bixby, making hands-free communication even easier.
With an active eSIM plan, your smartwatch can access mobile data just like a smartphone. This allows you to:
Use navigation apps (Google Maps, Apple Maps) without your phone.
Stream music and podcasts via Spotify, Apple Music, or YouTube Music.
Browse the web and check emails on the go.
Use messaging apps like WhatsApp, Telegram, or iMessage without needing a phone nearby.
A strong LTE connection ensures that your smartwatch remains functional even if you leave your phone at home.
Most eSIM-enabled smartwatches come with advanced fitness and health tracking features, making them an excellent companion for an active lifestyle. Look for:
Heart rate monitoring – Tracks your heart rate throughout the day and during workouts.
SpO2 (blood oxygen) measurement – Useful for tracking overall health and detecting potential issues.
ECG (Electrocardiogram) – Available on high-end models like the Apple Watch Series 9 and Samsung Galaxy Watch6, this feature can help detect irregular heart rhythms.
Sleep tracking – Monitors sleep patterns to improve your rest and overall health.
Step counting & calorie tracking – Helps you stay on top of your daily movement goals.
Built-in GPS – Enables accurate location tracking for running, cycling, and hiking without needing a phone.
Some smartwatches also include women’s health tracking for menstrual cycle monitoring and stress tracking with guided breathing exercises.
Battery life is crucial for an eSIM smartwatch, as LTE connectivity can drain power faster than standard Bluetooth-connected models. Consider:
All-day battery life – Look for a smartwatch that can last at least one full day on LTE.
Power-saving modes – Many smartwatches have battery-saving features that disable LTE when not in use.
Fast charging – Some models, like the Apple Watch Series 9, can charge up to 80% in 45 minutes.
Solar charging (for some models) – Certain outdoor smartwatches offer solar charging for extended battery life.
If you plan to use LTE frequently, Samsung’s Galaxy Watch Ultra, Apple Watch Ultra 2, or Huawei Watch 4 Promay be better choices, as they have larger batteries than standard models.
Not all smartwatches work with all smartphones. Ensure that the eSIM smartwatch you choose is compatible with your device:
Apple Watches work only with iPhones.
Google Pixel Watch, Samsung Galaxy Watch, and most Wear OS watches work best with Android phones.
Some Huawei, Xiaomi, and Oppo smartwatches can function independently but may have limited compatibility with iPhones.
If you switch phones often, make sure your smartwatch works with multiple operating systems.
If you plan to wear your smartwatch while swimming, showering, or in extreme environments, look for IP ratings and water resistance certification:
IP68 – Dustproof and waterproof for short-term immersion.
5ATM or 10ATM – Safe for swimming and diving in deeper water.
MIL-STD-810G – Military-grade durability for rugged environments.
Most premium smartwatches (e.g., Apple Watch Ultra 2, Samsung Galaxy Watch Ultra) have enhanced water and dust resistance for outdoor and adventure sports.
Many eSIM smartwatches support contactless payments, allowing you to pay for purchases directly from your wrist using:
Apple Pay (for Apple Watches)
Google Wallet (for Wear OS watches)
Samsung Pay (for Samsung smartwatches)
This feature is especially useful for quick transactions at stores, public transport, and vending machines.
Personalization is important for many users. Consider:
Interchangeable bands – Switch between sport, leather, and metal bands.
Custom watch faces – Choose from thousands of watch faces to match your style.
Always-on display – Keep the time visible at all times without waking the screen.
Some brands, like Google Pixel Watch and Samsung Galaxy Watch, also allow third-party apps to create custom watch faces.
Many eSIM-enabled smartwatches support international roaming, allowing travelers to stay connected without the hassle of physical SIM cards. With an eSIM, you can switch between different carriers or purchase temporary international data plans without needing to swap out your SIM. This is particularly useful for those who rely on their smartwatch for calls, messages, navigation, and fitness tracking while on the go. Whether you're exploring a new city, hiking in remote areas, or simply keeping in touch with family, an eSIM ensures a seamless connection without interruptions.
Choosing the right eSIM provider is essential for maximizing connectivity and minimizing costs. Providers like Global YO offer international data plans that cater to travelers, with flexible options based on destination, duration, and data needs. These plans allow you to use your smartwatch for essential travel tasks such as checking maps, receiving notifications, or making calls without worrying about excessive roaming fees. Global YO's eSIMs are particularly beneficial for frequent travelers, as they eliminate the need to hunt for local SIM cards or deal with unreliable public Wi-Fi.
Smartwatches with eSIM technology provide seamless connectivity without a smartphone, making them ideal for fitness, business, and travel. With various models available from Apple, Samsung, Google, and more, users can find the perfect smartwatch to suit their lifestyle. As eSIM technology continues to evolve, the future of wearable devices looks more independent and connected than ever.
Uliana Aitakayeva
[email protected]Uliana Aitakayeva is a tech-savvy traveler with a deep understanding of eSIM technology. As a telecom engineer, she offers practical advice on using eSIMs worldwide. Her posts focus on cost-effective strategies, carrier insights, and regional tips. When not traveling, Uliana enjoys photography and exploring local cuisines.
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