Samsung Galaxy S21 Ultra 512GB Phantom Navy

Specification
Product description
Manufacturer's data
Frequently asked questions

Specification

Color	Navy blue
Manufacturer	Samsung
Release year	2021
SIM	Dual-SIM
Battery capacity	5000 mAh
Screen size	6.8"
Screen type	AMOLED
Screen resolution	3200 x 1440
Screen refresh rate	120 Hz
Front camera resolution	40.0 MP
Camera resolution - rear	108.0 MP
Additional information	Second camera 10.0 MP Tele lens, Third camera 12.0 MP Ultra wide angle, Fourth camera 10.0 MP Tele lens
Operating system	Android
Processor	Samsung Exynos 2100, 1 x 2.90 GHz Cortex-X1 + 3 x 2.80 GHz Cortex-A78 + 4 x 2.20 GHz Cortex-A55
Built-in memory	512 GB
RAM memory	16 GB
Connector type	USB-C
Wireless charging	Yes
Bluetooth standard	5.1
Foldable	No
Connectivity	WiFi 802.11a/b/g/n/ac/ax/6e, Bluetooth 5.2, NFC, ANT+, UWB, 5G
Height	165.1
Width	75.6
Depth	8.9
Weight	227
Notes	The full refurbishment process prevents guaranteeing the IP54 or IP67 certification; therefore, it is excluded from the warranty conditions.
Package contents	Charging cable

Product description

Samsung Galaxy S21 Ultra 512GB Phantom Navy Dual SIM refurbished - power meets premium design

The Samsung Galaxy S21 Ultra 512GB Phantom Navy refurbished is a flagship-level smartphone that continues to impress with its power and quality. It's the smart choice for anyone who wants access to top tech without overspending or adding to electronic waste. Each device is professionally renewed to deliver performance you can trust - while supporting a more conscious approach to technology.

Stunning display and high-end performance

Equipped with a large 6.8-inch AMOLED display, the S21 Ultra delivers crisp visuals with a resolution of 3200 × 1440 and a smooth 120 Hz refresh rate. Whether you’re streaming content, editing photos, or gaming, the experience is immersive and ultra-responsive. At its core, the Exynos 2100 processor ensures reliable speed and seamless multitasking, even with demanding apps.

Storage and RAM that keep up with your pace

With 512GB of internal storage, there’s plenty of room for your apps, photos, and videos. Backed by 12GB of RAM, this phone effortlessly handles heavy workloads, from video conferencing to photo editing. No freezes, no slowdowns—just uninterrupted performance when you need it most.

Capture your world in incredible detail

The rear quad camera system features a powerful 108 MP main sensor, complemented by two telephoto lenses and an ultra-wide 12 MP camera. Whether you're zooming in or capturing wide landscapes, image quality is consistently excellent. The 40 MP front camera adds clarity to selfies and video calls alike, making this device perfect for content creators and photography lovers.

Built for heavy use and modern connectivity

With a robust 5000 mAh battery and support for wireless charging, the S21 Ultra won’t let you down during long days. Connectivity includes 5G, Wi-Fi 6E, Bluetooth 5.2, NFC, and UWB, Dual SIM - ensuring compatibility with the latest accessories and fast data speeds. The design remains sleek yet solid, striking the perfect balance between aesthetics and practicality.

Why choose the Samsung Galaxy S21 Ultra 512GB Phantom Navy refurbished?

Choosing the refurbished Samsung Galaxy S21 Ultra 512GB Phantom Navy means getting flagship-level performance at a more accessible price, while also reducing electronic waste. Professionally renewed and tested, this device is a smart, eco-conscious investment for anyone who wants premium tech without compromise.

Manufacturer's data

Manufacturer	Samsung
Registered name	Samsung Electronics Co., Ltd.
Addres	129 Samsung-Ro Maetan-3dong Yeongtong-gu Suwon, South Korea
Contact:	https://www.samsung.com/pl/support/contact/

Frequently asked questions

What charger should I use for the Samsung S21 Ultra?

For the Samsung Galaxy S21 Ultra the most suitable charger is a USB-C adapter that supports Power Delivery up to 25 W, as this enables the phone to use super fast charging and reach a full charge in about one hour. Since no charger is included in the box it is recommended to choose Samsung’s official 25 W adapter or another reliable PD PPS compatible charger to ensure safe and efficient charging.

How do I turn off the Samsung S21 Ultra?

To turn off the Samsung Galaxy S21 Ultra you need to press and hold the side button together with the volume down button until the power menu appears, then select Power off and confirm. You can also do this from the quick settings panel by swiping down from the top of the screen, tapping the power icon and choosing Power off. If the phone becomes unresponsive you can force it to shut down by holding both buttons for several seconds.

How long does the battery last on the Samsung S21 Ultra?

The Samsung Galaxy S21 Ultra is equipped with a 5000 mAh battery that typically lasts a full day of use. With lighter usage such as calls, messaging and browsing, it can last up to two days, while heavier activities like gaming or long high resolution video recording may reduce the battery life to less than a day.

Until when is the Samsung S21 supported Ultra?

The Samsung Galaxy S21 Ultra is guaranteed to receive four major Android upgrades and five years of security updates. This means it will be supported up to Android 15 with One UI 7, and security patches will continue until early 2026. From 2025 onwards these updates are released quarterly instead of monthly.

How many inches is the Samsung Galaxy S21 Ultra?

The Samsung Galaxy S21 Ultra features a 6.8 inch Dynamic AMOLED 2X display. It is a large screen with high resolution and up to 120 Hz refresh rate, making it excellent for watching movies, playing games and handling everyday tasks.