--- title: Introducing Telnyx eSIM for IoT and mobile devices canonical: https://telnyx.com/resources/introducing-telnyx-esim --- # Introducing Telnyx eSIM for IoT and mobile devices [Back to blog](https://telnyx.com/resources) **Wireless** # Introducing Telnyx eSIM Embrace the future of connectivity: Telnyx eSIM - The seamless and simplified solution for your IoT and mobile devices. By [Aisling Cahill](https://telnyx.com/authors/aisling-cahill) We are proud to introduce our latest offering: Telnyx eSIM. eSIM (or embedded SIM) gives your devices all the connectivity and functionality of the traditional SIM card, without the hassle of interchangeable physical cards. We are now offering eSIM functionality in two form factors: [embedded MFF2 SIM for IoT devices](https://telnyx.com/products/iot-sim-card) and over-the-air [eSIM for mobile devices.](https://telnyx.com/products/esim) Telnyx offers flexible data coverage in 180+ countries and an API to manage and configure SIMs over the air. Activate and monitor your devices remotely, no matter where they’re deployed, with one global SIM. ## Embedded MFF2 SIM for IoT As a leading provider of [IoT SIM cards](https://telnyx.com/products/iot-sim-card), we understand the need for simplified and flexible connectivity solutions. That’s why we are now offering embedded MFF2 SIMs as an alternative form factor for your unique IoT needs. ## How do Telnyx embedded MFF2 SIMs work? Embedded MFF2 SIMs work by directly integrating the SIM functionality into the circuitry of IoT devices during the manufacturing process. Embedded MFF2 SIMs are soldered onto the device's circuit board, ensuring a secure and permanent connection. They eliminate the need for a physical SIM card slot, making them a seamless and space-efficient solution. Telnyx enables you to seamlessly activate and provision the embedded MFF2 SIM over-the-air, allowing for remote management and configuration of your IoT connectivity. ## What are the benefits of Telnyx embedded MFF2 SIM? With its space-efficient design, enhanced security measures, and flexibility, embedded MFF2 SIM is revolutionizing the world of IoT connectivity. ### Space Efficiency With embedded MFF2 SIMs, you can bid farewell to bulky SIM card slots. This compact form factor integrates seamlessly into the device's circuitry, optimizing space utilization and enabling IoT devices to be smaller and more streamlined. Whether it's wearable devices, smart sensors, or industrial equipment, embedded MFF2 empowers you to create sleeker and more efficient IoT solutions. ### Flexibility and Versatility With embedded MFF2 SIM, you can seamlessly provision, configure, and manage your IoT devices remotely, saving time and effort in the deployment process and ensuring optimal performance for your IoT devices wherever they are deployed. Embedded MFF2 SIMs are interoperable across different IoT devices, enabling seamless integration and scalability in multi-vendor environments. ## How do I get started with Telnyx embedded MFF2 SIMs? Telnyx delivers your embedded MFF2 SIMs directly to your doorstep. Once you integrate the SIM into your device’s circuitry, follow our easy [step-by-step setup instructions](https://developers.telnyx.com/docs/iot-sim/get-started) to get your device online in minutes. Or, [contact our experts](https://telnyx.com/contact-us) for advice. Simplify IoT deployments with Telnyx embedded MFF2 SIMs. Seamlessly integrate devices, optimize space, and streamline management for efficient connectivity. [Order your Telnyx embedded MFF2 SIM now](https://telnyx.com/sign-up) ## eSIM for mobile devices Discover how our eSIM technology transforms the way you connect and manage your mobile phones, smartwatches, tablets, and more. With Telnyx eSIM, experience hassle-free and instant connectivity across global networks without the need for manual swapping of SIM cards. ## How does Telnyx eSIM work? Instead of manually inserting a physical SIM card, Telnyx eSIM can be downloaded over-the-air and activated instantly. This simplifies the process of connecting your devices to cellular networks. Enjoy seamless connectivity without the wait. ## What are the benefits of Telnyx eSIM? Unlock the power of Telnyx eSIM and gain global coverage across 650+ networks in minutes. ### Instant delivery and activation We understand the need for speed in today's fast-paced world. Telnyx eSIMs are delivered over-the-air and activated instantly. With eSIMs, you never have to wait to receive your SIM card via mail. Choose eSIM to unleash immediate connectivity for your devices. ### Seamless global connectivity With a single Telnyx eSIM, enjoy uninterrupted connectivity while traveling internationally. You don't need to worry about purchasing local SIM cards or dealing with complex roaming plans. Telnyx eSIM automatically connects to the best available networks in over 180 countries, providing you with a consistent and reliable data connection wherever you go. ### Future-proof technology As technology evolves, the world is moving towards eSIM. eSIM allows for over-the-air updates so as new technologies and network standards emerge, eSIM-enabled devices can easily adapt without requiring physical SIM card replacements. ## How do I get started with Telnyx eSIM? First, please check that your device supports eSIM and is camera-enabled. Then, purchase your eSIMs through the Mission Control Portal. eSIMs are downloaded over-the-air and activated instantly. Embrace the power of Telnyx eSIM and enjoy instant, hassle-free connectivity, seamless global coverage, and future-proof technology for your personal devices. [Order your Telnyx eSIM now](https://telnyx.com/sign-up). Whether you need [embedded MFF2 SIMs](https://telnyx.com/products/iot-sim-card) for efficient IoT deployments or over-the-air [eSIMs](https://telnyx.com/products/esim) to instantly connect your mobile devices, Telnyx empowers you with seamless, secure, and future-proof technology. Embrace the future of connected devices with Telnyx eSIM. _Got questions about Telnyx eSIM? Join the community on our subreddit._ Share on Social ## Jump to: [Embedded MFF2 SIM for IoT](#embedded-mff2-sim-for-iot)[How do Telnyx embedded MFF2 SIMs work?](#how-do-telnyx-embedded-mff2-sims-work)[What are the benefits of Telnyx embedded MFF2 SIM?](#what-are-the-benefits-of-telnyx-embedded-mff2-sim)[How do I get started with Telnyx embedded MFF2 SIMs?](#how-do-i-get-started-with-telnyx-embedded-mff2-sims)[eSIM for mobile devices](#esim-for-mobile-devices)[How does Telnyx eSIM work?](#how-does-telnyx-esim-work)[What are the benefits of Telnyx eSIM?](#what-are-the-benefits-of-telnyx-esim)[How do I get started with Telnyx eSIM?](#how-do-i-get-started-with-telnyx-esim) ## Sign up for emails of our latest articles and news [Start building](https://telnyx.com/sign-up) Related articles * [**Wireless**How to launch a white label eSIM reseller business![Serhii](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/_DSC8799-6.jpg?width=96&format=webp)By Serhii Omelchenko28, Sep 2026](https://telnyx.com/resources/white-label-esim-reseller) * [**Wireless**How Telnyx's new infrastructure boosts IoT in Australia![Aisling Cahill](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/6_d4bc9d667a.jpg?width=96&format=webp)By Aisling Cahill10, Sep 2026](https://telnyx.com/resources/telnyx-boosts-iot-sim-card-australia) * [**Wireless**Using telematics devices for enhanced fleet management![Emily Bowen](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/6_df8e55134d.jpg?width=96&format=webp)By Emily Bowen10, Sep 2026](https://telnyx.com/resources/telematics-devices) * [**Inference**AI DLP Test: Six Data Types, Six Blocks, $0 Charged![Fiona McDonnell](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/11_5e5b137a78.jpg?width=96&format=webp)By Fiona McDonnell2, Oct 2026](https://telnyx.com/resources/ai-dlp-gateway-test) * [**Conversational AI**Our Early Benchmarks on ElevenLabs vs MiniMax TTS and Why It Matters![Abhishek Sharma](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/Abishek_Sharma_8313622a2b.png?width=96&format=webp)By Abhishek Sharma28, Sep 2026](https://telnyx.com/resources/minimax-speech-2-6-vs-elevenlabs-tts-benchmarks) * [**Conversational AI**Why teams outgrow Retell and migrate to Telnyx![Abhishek Sharma](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/Abishek_Sharma_8313622a2b.png?width=96&format=webp)By Abhishek Sharma28, Sep 2026](https://telnyx.com/resources/why-teams-outgrow-retell-and-migrate-to-telnyx) ### Ask AI * [![GPT](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/chatgpt_icon-ea55e09d.jpeg?width=92&format=webp)](https://chat.openai.com/?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Claude](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/claude_icon-c7c8eef3.webp?width=92&format=webp)](https://claude.ai/new?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Perplexity](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/perplexity_icon-cd5b74f1.webp?width=92&format=webp)](https://www.perplexity.ai/search?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Gemini](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/gemini_icon-4ff1cbf4.webp?width=92&format=webp)](https://www.google.com/search?udm=50&aep=11&q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Grok](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/grok_icon-e588e5bd.webp?width=92&format=webp)](https://x.com/i/grok?text=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)