Samsung - Galaxy S21 Ultra 5G 128GB (Unlocked) - Navy
About this product
Galaxy S21 Ultra 5G is crafted so you don’t need to choose between video and photo. With a single tap, you can pull super-clear stills straight from high-resolution 8K video. Or if you’re looking to capture stunning photos, the 108MP camera feels like you’ve brought your own professional studio with you. Galaxy S21 Ultra 5G, designed to be epic in every way.
Color
NavyLife moves fast. S21 Ultra moves faster.
Transform your story sharing, live streaming, video-editing and multi-tasking with hyper fast processor speeds (Compared to GS20)
Universal Unlocked
Compatible with all major U.S. carriers, including Verizon, AT&T, Sprint, and T-Mobile. Also compatible with prepaid carriers, including Cricket Wireless, Boost Mobile, Metro by T-Mobile, Simple Mobile, Total Wireless, Tracfone, Net10, Mint, and H2O.
Connectivity built for today. And tomorrow.
Built with 5G connectivity in mind, you can share, scroll, browse and binge in a flash¹.
Our best camera. Your best life.
Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera.
Trust us, you'll look amazing in 8K video
A night out. Your best friend’s birthday party. Family moments you’ll want to remember forever. Capture your life’s best moments in head-turning, super-smooth 8K video.
Movie-making magic in the palm of your hand
Slide into the director’s chair and create share-ready videos on the spot with multi-cam recording and automatic pro-style effects.
Spontaneity, now captured from multiple angles
Create share-ready GIFs and videos in a single take² or pick your favorite moments and pull your favorite stills in super high-res to share with your followers.
The highest resolution camera you can get on a smartphone
Pick up more pixels with the highest resolution you can get on a smartphone at 108MP, while an upgraded sensor gives you more color and way less noise in low light³.
Get closer with the most powerful zoom on a smartphone
Zoom in with amazing clarity with a dual-lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom.
Our best smartphone display yet. There, we said it.
Galaxy S21 Ultra comes with our highest contrast ratio and a 6.8" adaptive display that automatically adjusts from 10Hz to 120Hz. Plus, intuitive blue-light management adjusts based on time of day to keep your eyes happy.
All your photos are keepers. So keep ‘em.
Every moment matters. Hold on to them with S21+ 5G’s extensive built-in storage⁴.
All day battery, and then some. No charging.
Power every scroll, click, tap, and stream all day long and then some⁵ with an intelligent battery that works with you, not against you⁶.
A striking new phone design — may cause phone envy
Modern haze finishes with an all-new integrated metal camera design and our toughest glass on a smartphone. Groundbreaking — it’s a vibe. And it looks good on you.
¹Requires optimal 5G network connection, available in select markets. Check with your carrier for availability and details. Download and streaming speeds may vary based on content provider, server connection and other factors.
²Single Take captures images and video up to 15 seconds.
³Compared to GS20.
⁴S21 available in 128GB and 256GB.
⁵Based on average battery life under typical usage conditions. Average expected performance based on typical use.
⁵Charger not included; use only Samsung-approved chargers and cables; do not use any worn or damaged chargers or cables; incompatible charger or cable can cause serious injuries or damage to your device.
⁶Actual battery life depends on factors such as network, features selected, frequency of calls, and voice, data, and other application usage patterns. Results may vary.
⁷SIM Card not included.
- Screen Size6.8 inchesRear-Facing Camera108 megapixelsCarrier CompatibilityAT&T, Sprint, T-Mobile, Google Fi, Verizon, Cricket, Mint Mobile, Simple Mobile, H2O Wireless, Ting Mobile, Ultra Mobile, Metro by T-MobileBuilt-in Storage128 gigabytesPhone Memory (RAM)8 gigabytes
Reviews
Rating 4.6 out of 5 stars with 985 reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Galaxy S21 Ultra 5G is crafted so you don’t need to choose between video and photo. With a single tap, you can pull super-clear stills straight from high-resolution 8K video. Or if you’re looking to capture stunning photos, the 108MP camera feels like you’ve brought your own professional studio with you. Galaxy S21 Ultra 5G, designed to be epic in every way.
Staying in the moment is easier than ever with the all-new Galaxy S25 Ultra. Its intelligent AI transforms into your own virtual assistant that evolves with you to work better for you. Let’s say you want to enjoy a night out with friends but don’t have time to plan. Just ask Galaxy S25 Ultra to invite your friends to the nearest bowling lounge tonight. Your phone will find the info and text it to them. You don’t need to slow down your speech or speak like a robot —just talk to your phone naturally, and it will understand. While you’re out rolling spares, Night Video brings out the details in every moment —even in low light —while Audio Eraser makes it easy to reduce distracting noises, like those pins crashing one lane over. Galaxy S25 Ultra also keeps up with your schedule and provides the weather forecast for your night, allowing you to stay a step ahead and adjust plans on the fly. With a phone as evolved as Galaxy S25 Ultra, you don’t have to sweat the small stuff —it’s handled intelligently.
This item is in like-new condition, backed by a 90 day warranty. It has been professionally refurbished, inspected and cleaned to excellent condition. This product has been determined fully functional by our industry leading 30+ point functionality inspection. This product will not come in its original packaging; Headphones, SIM card and manual will not be included.The Samsung Galaxy S21 Ultra 5G is purposefully crafted so you don’t need to choose between video and photo. With a single tap, you can pull super-clear stills — up to 33MP — straight from high-resolution 8K video. The 108MP camera brings you the highest resolution camera you can get on a smartphone for stunning photos. The amazing 6.8” screen comes with Samsung’s highest contrast ratio and an adaptive display that automatically adjusts from 10Hz to 120Hz for a faster, smoother scrolling experience that is easy on the eyes while efficiently using the large 5000mAh battery. The Galaxy S21 Ultra was designed to be epic in every way and now experience the incredibly advanced Galaxy on the 5G leader in coverage.
Galaxy AI is here. Search like never before,¹ get real-time interpretation on a call,² format your notes into a clear summary,³ and effortlessly edit your photos⁴ - all from your smartphone, all with AI. S Series has a legacy of pushing the boundaries of what a smartphone can do. And with Galaxy S23 Ultra, we’re raising that bar again. Galaxy S23 Ultra is more than the next big step in mobile tech. With the crystal-clear camera resolution on a phone and stunning Night Mode powered by Nightography, you can share those big moments no matter the lighting. Plus, with the fastest Snapdragon processor yet, juggle high-intensity games, multiple apps or video calls with ease. Write, sketch, edit, create and share from anywhere with a built-in S Pen. And do all of the above on an incredibly large display built for gaming, streaming, creating and doing. Enhance your day-to-day with a device that’s anything but ordinary, and share the epic with Galaxy S23 Ultra.
Specs
Does this phone still except expanded memory micro SD cards?
Answered by SamsungHello, Jim. Unfortunately, the Galaxy S21 Ultra 5G is not able to accept a MicroSD card. Thank you for asking this question. ^Kayla
Will this phone work on a straight talk plan?
Answered by GLXYIf you purchase the unlocked version then it will work with any carrier, you just need to plug your SIM card in and it should register it automatically.
dual sim or single?
Answered by LittlesunluckSingle sim no SD cards slot
does it come with a charger?
Answered by DavidNo it does not
Is the processor type (Snapdragon 888) guaranteed to come inside the S21 Ultra no matter the storage capacity? Which versions might have a surprise Exynos 2100 processor inside?
Answered by DavidYes all version have the Snapdragon 888. Only the non-US models have the Exynos 2100 inside.
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