Samsung Galaxy S21 SM-G991U 128GB 8GB RAM GSM Fully Unlocked World Smartphone | Buy Online

Save $460

Color: WHITE
Condition: A (OPEN BOX)
$239.99 $699.99

Samsung Galaxy S21 SM-G991U 128GB 8GB RAM GSM Fully Unlocked World Smartphone: An Unmatched Deal at Instawireless

In the competitive world of smartphones, finding a device that combines top-tier performance, advanced features, and great value can be challenging. The Samsung Galaxy S21 SM-G991U, available at Instawireless for just $239.99 (originally $699.99), stands out as a remarkable option for those seeking an unlocked, high-performance smartphone. This article delves into the features, benefits, and reasons why the Samsung Galaxy S21 is an outstanding purchase from Instawireless.

Key Specifications and Features

Display and Design

·       Display: 6.2-inch Dynamic AMOLED 2X 120Hz refresh rate Full HD+ (2400 x 1080),.

·       Design: Sleek and durable with Gorilla Glass Victus front and back, aluminum frame.

The Galaxy S21’s display offers vibrant colors, and stunning clarity deep blacks,. The an enhanced gaming experience 120Hz refresh rate ensures smooth scrolling. Its sleek design, coupled with durable materials, makes it both stylish and robust.


·       Processor: Snapdragon 888 (USA) Exynos 2100 (International).

·       RAM: 8GB.

·       Storage: 128GB.

Powered by advanced processors, the Galaxy S21 delivers efficient performance and power consumption. With 8GB of RAM, multitasking is seamless, and the 128GB storage provides ample space for apps, photos, and videos.

Camera System

·       Rear Cameras: 12MP Ultra-Wide. 12MP Wide, 64MP Telephoto

·       Front Camera: 10MP.

The versatile triple rear camera setup allows for stunning photos in various lighting conditions, with features like 8K video recording and Super Steady mode for gimbal-like stability. The 10MP front camera is perfect for video calls and selfies.

Battery and Charging

·       Battery: 4000mAh.

·       Charging: 25W fast charging, reverse wireless charging, 15W wireless charging,.

The Galaxy S21’s 4000mAh battery ensures you can get through the day without needing to recharge constantly. Fast and wireless charging options add convenience, and reverse wireless charging allows you to charge other devices.

Operating System and Interface

·       OS: Android 11, upgradable.

·       Interface: One UI 3.1.

Samsung’s One UI 3.1 provides a clean and intuitive user interface, enhancing usability and productivity. Features like Dark Mode, Digital Wellbeing, and Samsung DeX support are designed to make your life easier.


·       5G: Ready for the next generation of mobile networks.

·       Wi-Fi 6: Faster and more stable internet connections.

·       Bluetooth 5.0: Improved range and connectivity.

The Galaxy S21 is equipped with 5G capabilities, ensuring fast download and upload speeds. For a seamless user experience and Wi-Fi 6 and Bluetooth 5.0 enhance connectivity.


In-Display Fingerprint Sensor: Secure and convenient.

Samsung Knox: Multi-layered security for your data.

The in-display fingerprint sensor offers fast and secure unlocking, while Samsung Knox provides comprehensive security to protect your data from malware and threats.

Why Buy from Instawireless?

Unbeatable Pricing

At $239.99, the Samsung Galaxy S21 offers incredible value, making high-end technology accessible to more people.

Quality Assurance

Instawireless ensures that all their unlocked smartphones meet high standards of quality and performance.

Warranty and Support

Purchasing from Instawireless comes with a warranty and reliable customer support, ensuring a smooth buying experience and peace of mind.

Fast and Secure Shipping

Instawireless offers prompt and secure shipping, so you can start enjoying your new smartphone without delay.

Benefits of an Unlocked Smartphone

Carrier Flexibility

An unlocked phone gives you the freedom to choose and switch carriers, finding the best plans and coverage for your needs.

Travel Convenience

Unlocked phones are perfect for travelers, allowing you to use local SIM cards in different countries and avoid expensive roaming charges.

Higher Resale Value

Making them a better investment Unlocked phones generally have a higher resale value,.

No Bloatware

Unlocked phones usually come with less carrier-installed bloatware, providing a cleaner and faster user experience.


The Samsung Galaxy S21 SM-G991U 128GB 8GB RAM GSM Fully Unlocked World Smartphone is a powerhouse of technology and design. Its advanced features, from the stunning display and powerful performance to the versatile camera system and robust security, make it an exceptional choice for anyone looking to upgrade their smartphone. Buying from Instawireless at the reduced price of $239.99 offers unbeatable value, ensuring you get a premium device without breaking the bank. The benefits of owning a fully unlocked smartphone, combined with the quality assurance and customer support provided by Instawireless, make this an opportunity you don’t want to miss.

Order your Samsung Galaxy S21 from Instawireless today and experience the freedom and performance of a top-tier smartphone at an incredible price.

Payment & Security

American Express Apple Pay Diners Club Discover Meta Pay Google Pay Mastercard PayPal Shop Pay Venmo Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

You may also like

Recently viewed