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Uliana Aitakayeva
Published on
Jan 17 2024
Launched on January 29, 2021, the Samsung Galaxy S21 series has made a remarkable entrance into the smartphone market, featuring state-of-the-art technology and innovative capabilities. The series includes four main models: the Samsung Galaxy S21, S21 FE, S21+, and S21 Ultra, each tailored to cater to distinct user preferences while maintaining a sleek and cohesive design aesthetic. It’s important to note that while the Samsung Galaxy S21, S21+, and S21 Ultra support eSIM technology, the Samsung Galaxy S21 FE model does not have eSIM capability.
Model Numbers: SM-G991B, SM-G991B/DS (International), SM-G991U (USA), SM-G991U1 (USA unlocked), SM-G991W (Canada), SM-G991N (Korea), SM-G9910 (China).
Features:
Display: 6.2-inch Dynamic AMOLED 2X display with a resolution of 2400 x 1080 pixels, delivering vibrant colors and deep blacks for an immersive viewing experience.
Camera: Equipped with a triple-camera system featuring a 12MP ultra-wide lens, a 12MP wide lens, and a 64MP telephoto lens (3x optical zoom), allowing for stunning photography and the ability to record in 8K.
Battery: A robust 4,000mAh battery that supports fast charging, wireless charging, and reverse wireless charging.
Memory: Available with 128GB or 256GB of storage and 8GB of RAM.
Model Numbers: SM-G996B, SM-G996B/DS (International), SM-G996U (USA), SM-G996U1 (USA unlocked), SM-G996W (Canada), SM-G996N (Korea), SM-G9960 (China).
Features:
Display: 6.7-inch Dynamic AMOLED 2X display that enhances the viewing experience for videos and gaming.
Camera: Shares a similar triple-camera setup with the S21, featuring a 12MP main lens, a 12MP ultra-wide lens, and a 64MP telephoto lens (3x optical zoom). The S21+ also offers improved low-light performance and additional features for creative photography.
Battery: Larger 4,800mAh battery for longer usage without frequent recharging.
Memory: Available with 128GB or 256GB of storage and 8GB of RAM.
Model Numbers: SM-G998B, SM-G998B/DS (International), SM-G998U (USA), SM-G998U1 (USA unlocked), SM-G998W (Canada), SM-G998N (Korea), SM-G9980 (China).
Features:
Display: 6.8-inch Dynamic AMOLED 2X display with a WQHD+ resolution of 3200 x 1440 pixels, ideal for consuming high-resolution content.
Camera: Boasts a quad-camera system that includes a 12MP main lens, a 10MP ultra-wide lens, a 10MP telephoto lens (3x optical zoom), and a 108MP telephoto lens (10x optical zoom) with laser-assisted focus, providing unparalleled versatility for photography enthusiasts.
Battery: A powerful 5,000mAh battery that supports fast charging, wireless charging, and reverse wireless charging.
Memory: Available with options of 128GB or 256GB of storage and 12GB of RAM, or 512GB of storage with 16GB of RAM.
These models not only stand out for their sleek designs and powerful hardware but also support eSIM technology, making them a popular choice for tech enthusiasts and frequent travelers.
eSIM (embedded SIM) is a digital SIM that allows users to activate a cellular plan without the need for a traditional SIM card. This technology is embedded directly into the device’s motherboard, providing a seamless experience for users who wish to switch carriers or plans without needing to insert or remove a physical card. eSIM technology is gaining traction worldwide, with more carriers adopting it due to its numerous advantages.
Traditional SIM cards are physical cards that must be inserted into the device, which can be cumbersome for frequent travelers or users who switch networks often. With a physical SIM card, users must handle the card carefully to avoid damage, and any time they wish to switch carriers, they must go through the hassle of physically replacing the card. In contrast, eSIM technology simplifies this process by allowing users to download and manage multiple cellular plans directly from their device settings.
The shift to eSIM technology brings numerous advantages:
Ultimate Convenience: With eSIM, switching carriers or plans is effortless. No need to wait for a physical SIM card or visit a store — everything is done digitally. This is a game-changer for frequent travelers, allowing them to easily add a local data plan while abroad and switch back to their home carrier when they return.
More Space for Innovation: Since eSIMs are embedded within the device, there’s no need for a physical SIM slot. This frees up space for other components, like larger batteries, improved cooling systems, or enhanced features like better cameras or more powerful processors. As a result, devices can be sleeker without sacrificing performance.
Seamless Dual SIM Functionality: eSIM enables the use of multiple phone numbers or data plans at the same time. This is perfect for users who want to keep personal and work numbers separate without the hassle of carrying two phones. It’s also ideal for frequent travelers who can maintain both a local and international plan, effortlessly managing their communication needs.
Enhanced Connectivity Flexibility: eSIM gives Samsung Galaxy users the flexibility to connect to different networks, allowing them to take advantage of the best deals, network coverage, and data plans in various regions. It’s an ideal solution for those who are always on the move or for anyone seeking greater control over their mobile experience.
By adopting eSIM, Samsung Galaxy users not only gain flexibility but also get more out of their devices — both in terms of performance and user experience.
The Samsung Galaxy S21 series—comprising the S21, S21+, S21 Ultra, and S21 FE—offers varying levels of eSIM support. The S21, S21+, and S21 Ultra all support eSIM technology in addition to a physical Nano-SIM card. This allows users to use either the eSIM, the physical SIM, or both simultaneously for a flexible dual SIM setup, ideal for travelers or those managing multiple lines.
However, it's important to note that the Samsung Galaxy S21 FE does not support eSIM, so users of this model will need to rely solely on a physical SIM card for mobile connectivity.
Remember that eSIM compatibility can vary depending on the model and region for the Samsung Galaxy S21 series, which includes the S21, S21+, and S21 Ultra. Here’s a closer look at how these devices perform in different international markets:
Korea: Although some local carriers in South Korea have begun to embrace eSIM technology, many Samsung Galaxy S21 devices sold in the region do not offer this capability. Users should verify their specific model, as newer models like the Galaxy S24 and S23 support eSIM, while the S21 series does not.
China, Hong Kong, and Taiwan: In China, the Samsung Galaxy S21 series is available, but eSIM adoption remains limited. Most Galaxy devices originating from China, Hong Kong, and Taiwan do not support eSIM functionality, which can restrict options for users in these areas.
For users looking to utilize Global YO’s eSIM on their Galaxy S21 series device, it’s important to ensure that their Samsung device is not network or carrier-locked. Such restrictions can prevent the installation of additional eSIMs. To enable eSIM functionality, users should reach out to their mobile network provider for assistance with unlocking their devices. Additionally, if the device has been recently unlocked, the carrier may temporarily disable eSIM support as a security measure.
Activating a Global YO eSIM on your Samsung Galaxy S21 is a quick and easy process. Here's how to get connected:
Ensure Compatibility: Before starting, verify that your Samsung Galaxy S21 model supports eSIM and check if your device is unlocked.
Get Your eSIM Details: To activate your Global YO eSIM, you'll need the QR code or activation details (a SM-DP address and activation code). Global YO will provide this either through your app account or by email after purchase.
Open Settings: On your device, navigate to Settings > Connections > SIM Manager. This is where you’ll manage all your SIM card settings.
Add Mobile Plan: Tap Add Mobile Plan. You will have two options for installation—via QR code or manual entry:
QR Code Installation: Choose Scan QR Code, then use your phone's camera to scan the QR code provided by Global YO.
Manual Installation: Select Enter Detauils Manually. You’ll need to enter the SM-DP address and activation code provided by Global YO.
Confirm Activation: After scanning the QR code or entering the details, follow the on-screen prompts to complete the setup. Once done, you’ll see the Global YO eSIM listed in your SIM Manager.
By following these steps, your Global YO eSIM will be ready to use, giving you the flexibility to switch plans, manage multiple numbers, and stay connected globally with ease.
If you experience any issues during the activation of your Global YO eSIM on your Samsung Galaxy S21, here are some troubleshooting steps to help:
Check Compatibility: Confirm that your Galaxy S21 model supports eSIM. While the Galaxy S21 series supports eSIM, the S21 FE model does not.
Contact Global YO Support: If the QR code doesn’t work or you encounter errors, reach out to Global YO customer support. They can provide assistance with activation issues and ensure that your eSIM information is correct.
Update Your Software: Ensure that your Galaxy S21 is running the latest software version. Updates often include important connectivity fixes and improvements, which can enhance eSIM performance.
Reset Network Settings: If the issue persists, try resetting your network settings. This won’t affect your data or apps but can resolve connectivity problems by refreshing all network-related settings.
eSIM technology offers unmatched convenience and flexibility, and the Samsung Galaxy S21 series with eSIM support is designed to meet modern mobile demands. Whether managing multiple lines or switching carriers, eSIM makes the process seamless.
For frequent travelers and tech enthusiasts, the Galaxy S21 series combines powerful performance with eSIM compatibility, allowing easy management of multiple plans. This flexibility helps users stay connected wherever they go.
In short, the Samsung Galaxy S21 series enhances both smartphone functionality and connectivity through eSIM, making it easier than ever to stay connected worldwide.
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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