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🚀 Elevate your mobile game with the Galaxy S21 Ultra — where power meets precision.
The Samsung Galaxy S21 Ultra 5G (128GB, Phantom Black, Unlocked) is a powerhouse smartphone featuring a 108MP pro-grade camera with 100x Space Zoom, 8K video recording, and a vibrant 6.8-inch AMOLED display with 120Hz refresh rate. Powered by a Snapdragon 2.42 GHz processor and a robust 5000mAh battery, it delivers seamless performance and all-day endurance. Compatible with major CDMA carriers and equipped with 5G technology, this renewed device offers premium features for professionals seeking cutting-edge mobile innovation.



| ASIN | B0939K5M9Q |
| Additional Features | High-resolution 108 MP camera, 5G wireless technology, large 6.8-inch AMOLED display, pro-grade camera, sharp 8K video recording, and 100x zoom capabilities |
| Aspect Ratio | 16:9 |
| Average Battery Life Talk Time | 18 Hours |
| Battery Average Life | 18 Hours |
| Battery Capacity | 5000 Milliamp Hours |
| Battery Description | Lithium-Ion |
| Battery Power | 5000 Milliamp Hours |
| Best Sellers Rank | #18,176 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #170 in Renewed Smartphones #309 in Cell Phones |
| Biometric Security Feature | Fingerprint Recognition |
| Brand | Samsung |
| Built-In Media | Charging Cable |
| Camera Description | Front |
| Camera Flash | no flash |
| Cellular Technology | 2G, 3G, 4G, 5G, LTE, GSM, CDMA |
| Color | Phantom Black |
| Compatible Devices | CDMA carriers with supported cellular technologies (2G, 3G, 4G, 5G, LTE, GSM, CDMA), such as Verizon and Sprint |
| Connectivity Technology | Bluetooth |
| Connector Type | USB Type C |
| Customer Reviews | 4.1 4.1 out of 5 stars (3,944) |
| Display Resolution Maximum | 3200 x 1440 Pixels |
| Display Type | AMOLED |
| Effective Video Resolution | 8 Kilopixels |
| Flash Memory Supported Size Maximum | 128 GB |
| Form Factor | Bar |
| Frame Rate | 24, 30, 60 fps |
| GPS Geotagging Functionality | True |
| Headphones Jack | 3.5 mm |
| Human-Interface Input | Touchscreen |
| Item Dimensions | 6.5 x 2.98 x 0.35 inches |
| Manufacturer | Samsung |
| Memory Storage Capacity | 128 GB |
| Model Series | S21 |
| Model Year | 2021 |
| Number of Front Cameras | 3 |
| Operating System | Android |
| Optical Sensor Resolution | 108 MP |
| Phone Talk Time | 4 Hours |
| Processor Series | Snapdragon |
| Processor Speed | 2.42 GHz |
| RAM Memory Installed | 12 GB |
| Rear Facing Camera Photo Sensor Resolution | 108 MP |
| Refresh Rate | 120 hertz |
| Resolution | 1440 x 3200 |
| SIM Card Slot Count | Dual SIM |
| Screen Size | 6.8 Inches |
| Shooting Modes | Automatic |
| Sim Card Size | Nano |
| Specific Uses For Product | outdoor activities, photography, and videography |
| UPC | 686457992305 |
| Unit Count | 1 Count |
| Video Capture Resolution | 8k |
| Warranty Description | 90 Day Limited Warranty |
| Water Resistance Level | Water Resistant |
| Wireless Network Technology | Wi-Fi |
| Wireless Provider | Unlocked |
Q**Y
It's a great phone
I love the phone. I've been using it for over a year now, and it works perfectly
M**D
Like New condition
The phone is like new condition, with updated operating system. Seller responded quickly and verified phone was unlocked. Would buy again from supplier.
R**Y
Is good
Ok, so here's my initial review, it may change later but for now here it is. Recieved the phone yesterday,it was very well packed. Came with charger block cord and ejection pin. The phone literally looked brand new, if it were in a samsung box I would have thought it had never been used. I transferred all my data and apps ( and after about 5 years that took about 2 hrs...lol). Then I put my T-Mobile sim card in it and restarted and no problems. Updated the phone. Everything was fine. IMPORTANT: be aware that when transferring from old phone to the new one or charging the batteries the phone will get warm..this is natural. I let the phone charge over night and did a battery usage test..after 3 and 16 minutes hours of continuous use watching videos , playing games , texting and listening to music it had used 44% battery so use that information as a guide, since it was continuous i don't feel that's too bad. Picture quality is good, sound is as well. So as of now I'm happy. If that changes I'll update.
L**C
Not very pleased, received it with issues
Purchased two of these phones and received them both packaged well. They both have been set up and we have been using them but they have issues. They both tend to run hot mainly when using the camera even for just a little while. Sometimes the camera will fail and kick me out of it and I have to keep retrying until it works. On one of them the screen is extremely sensitive, more than the other, and stutters a lot and will type and touch things on it's own that I didn't even touch anywhere near. The biggest issue is with the phone's charging capability. I have tried the charger that I received with the phone as well as many other chargers and different outlets but the problem is with the phone itself, something is damaged and I received it that way. It has an on-off charge (like it thinks the charging cable is being repetitively disconnected and reconnected) when it is plugged in and always charges slow. Today I have tried to have it charge for a couple hours but rather than charging the phone just died and would not recognize the cable was even connected at all. I am not very pleased with the purchase experience of this item, especially when I have important things like work related things that require me to be able to use my phone, and can't because the phone I received has power and charging issues. It is unreliable. And I am still making payments on both phones that I purchased! They haven't even lasted 6 months yet before issues started happening.
A**O
One of the Best but Still Falling Short
I’ve spent the last number of years using a slew of different phones from OnePlus, LG, Motorola, Huawei, Sony, and the last HTC. I haven’t used a Samsung since the S7. I’ve avoided them because while they were well built, they had software that was so bloated, it drove me nuts. So, what is it like going to Samsung after so long? HARDWARE Back in the day, only Apple rivaled Samsung when it came to the best hardware. Samsung can no longer make that claim. Granted, this phone is excellent, but OnePlus, LG, and Apple are all on the same level in terms of quality build. This phone feels heavy in your hand. I personally like that, but someone coming from an Apple might be very disappointed. Going light weight was not a big consideration here. It seems like they were more focused on packing as much as possible into this phone. That leads to a big issue. Samsung has been cowed into trying to be like Apple and removed both the headphones jack and sd card slot. I see no real reason for this beyond saving money. Apple and Samsung claim that they can’t fit it in, or that no one uses them anymore. Both of those are nothing but lame excuse. Both LG and Sony put both items into their last flagships. LG in fact released HD audio to go with the headphones jack. After using both phones, I REALLY miss both those items. They added a huge amount of functionality and made doing certain things so much easier. They did add the latest and greatest 5G and Wifi connectivity to this phone. That sounds great, but I haven’t noticed it all. I even live in an area where 5G is everywhere. There might be more speed, but everything in my area was already fast. It’s hard to really notice a difference unless you are running a speed test. So, this phone is S-Pen compatible. Great. It would be really good if it actually came with an S-Pen, but you’ll have to pay more for that. By more I mean $40 for an s-pen designed for the Ultra, that is missing some functionality. That’s right, you can’t do gestures. If that’s important to you, you need to wait for the S-Pen Pro to be released “later” in 2021. That one will have a BT connection. That really seems like a fumble on Samsung’s part. I can understand making the s-pen optional and not having a silo for it, like on the Note, but not having the full-blown version available at launch feels like they are missing an opportunity. If people get the regular s-pen, decide they don’t use it, what’s to motivate them into getting the pro version? The S-pen can be handy, but it only makes sense if you get a case that can hold. Thankfully Spigen makes one that is cheap and works well. On the plus side, this phone has the fastest, most accurate fingerprint reader I’ve ever used. It’s easily twice as fast as the one LG was using. The ultrasonic format really makes a difference. CAMERA When I first used the Huawei P20 Pro, I was blown away by how good that camera was. The things it did were unprecedented in a camera phone. I used a number of phones after that one, and none of them ever matched what Huawei could pull off. Samsung crushed it with this camera setup. The flexibility it offers is unmatched. From wide angle to super zoom, it’s all there. Some of the tricks they pull off with this camera are truly impressive. From how it combines photos for optimal exposure to the foolish 100x superzoom, the things you can do with this camera are insane. The 100x is nothing you’ll want to use a lot. It’s usable, but not overly clear. Still, the mere fact that you can take a usable 100x photo with this phone is mind blowing. When I say “usable” I mean a photo that is identifiable. It’s nothing I’m going to want to hang on a wall, but it might help trying to identify something. If there is one thing camera doesn’t do great, it’s exposure. It tends to over expose, but that’s it. That’s the only real issue I can find and it’s minor. You might see the 108MP sensor and think you can take some insane RAW photos with that. To a degree, that’s true, but with a sensor like that, you’d need a HUGE amount of light to be able to get good results. There is a reason why Samsung does pixel binning to get its incredible results. On its own 108MP in a sensor that size is not really usable, except in ideal conditions. I love a good wide-angle camera. LG was always a proponent of the wide-angle, and over the years, it’s really come in handy. It’s not something you use a lot, but when you need it, nothing beats it. You get two tele-photo lenses here. The 3X is great for framing your photos, and the 10x allows you to do things that no over phone I’ve ever used has allowed. The 10x really comes in handy for sunsets and times when you can’t get close to your subject. CHARGING I usually don’t do a write up on charging, but in this case, I think it’s needed. You have wired 25W or wireless 10W. I love that flexibility. It’s not all good though. You know what really stinks? Paying through the nose for a phone, opening the box, and not getting a charger. That’s right. No charger in the box. If you want one, you’ll be paying for it. It’s hard to wrap your head around the fact that they charge you over $1,000, but couldn’t give you a charger. I can’t remember the last time I got a phone with no charger. SCREEN Till now, OnePlus had the best screen I’d seen in a phone. It makes sense that Samsung would beat them, considering OnePlus got their screens from Samsung. This screen is amazing. It’s not just it’s looks either. They did some impressive trickery here too. The adaptive refresh is amazing. The big issue with a 120 refresh rate is the battery it burns through. With adaptive turned on, it adjusts. Reading a book or something similar – it drops as low as 10. This saves a huge amount of battery life. BATTERY LIFE It’s good. It’s not LG V60 good, but it’s good. There have been times when the LG V60 lasted me for two days with normal use. This one has the same battery, but doesn’t last that long. It will easily make it through the day and night though. SOFTWARE Welcome to the worst part about this phone. I know why Samsung doesn’t fix it too. To be honest, I hate the Samsung apps, I hate the excessive bloatware, and Bixby is the worst virtual assistant I’ve ever used. The UI is the more frustrating of the issues here. The main reason is tied to the fact that this is an Android phone. Why do you want to be so different from stock when it’s actually hindering the experience instead of improving it? I understand what Samsung is trying to do. They want to be Apple. They want their own ecosystem, they control, and reap large profits off of. That’s why they have their own assistant, apps, and UI. I’d applaud them for that, if they grow a pair and divorce Android. The only way all the apps, bloatware, assistant, and UI make sense if they are on their own. Just do it already. Become the third option, because as it stands now, your software is awful. It’s trying to sit on a fence, which means it’s not as good as it could be on its own, and it’s NO WHERE as good as stock Android. Now, if you are a handy when it comes to Android, you can remove a lot of the junk off this phone, via ADB. But, stop and think about that for a moment. You just paid top dollar for a phone, and now, you have to waste a solid hour of your time stripping off all the garbage they piled on there. How is that acceptable? If this phone was running software close to stock and didn’t have the bloatware issue, we’d be talking about a legendary phone. One of the best phones ever made. Instead, we have some of the best hardware ever combined in a phone, with steaming pile of dung laid on top of it. Again, if Samsung finally broke free of Android, I think things would be very different. They might also be watching Huawei very closely to see how everything pans out for them. Huawei was forced off Android and now runs its own OS and ecosystem. If it goes well for Huawei, I would not be surprised to see Samsung finally pull the trigger. They already have the OS. It’s been in their Smart appliances for years. I know I’ve bashed Samsung a lot here, but there are some things that do that are excellent. The first one I’ll mention is something that falls into the useful category. It’s their side tabs. The default is your recent apps or apps you’ve pinned. This comes in handy since I don’t like either of Samsung’s default launcher options. You can also add more tabs like weather and select contacts. I first used this with the S6 Edge and I’m glad it’s still around. Now for the thing that Samsung does best, and by best, I mean no one is even close. A deep dive into the sound settings will take you to an EQ setting. This is not impressive on its own, since most other makers offer this. What Samsung does that no one else does, is it gives you a hearing test and creates a custom sound profile for you. As someone who has hearing loss, the impact this has is incredible. The only thing I don’t understand is why it’s so buried. I mean you need to dig to find this thing. I find it rather ironic that Samsung is more on board with Windows integration than any other maker I’ve used. Samsung imbedded the features needed and allows you to use apps in Windows. The others I’ve used require you to download an app and you cannot use apps in Windows. This is a handy feature to have for anyone using an Windows PC. They also support the cut and paste feature. Copy on your phone – paste on your PC and vice versa. I have to relate one final frustrating issue with Samsung’s software. The last three phones I used all were on board with Google’s autofill for apps. That made signing into a new phone an easy experience. Samsung has its own thing. I spent quite a while hunting down passwords that I hadn’t used in nearly two years. WILDCARD There is a factor to consider, if you’ve only used Apple or Samsung products. You’ve been spoiled. By buying the most popular phones, you’ve always had a massive selection of cases and accessories. As someone who’s been using the fringe players for years, I’ve been stuck with only a few choices when it comes to cases. Sometimes it was very difficult to find cases, or I had to pay more than I would have liked. Having a massive selection does add to the value, since you end up paying less for cases as everyone tries to undercut each other. On top of that, you can find the crazy cases that include extra battery, wallets, and added functionality. If you’re using a Sony or OnePlus, you can only dream about such a thing. This becomes even more of a value I you are one of the people in a program like Amazon Vine. I was able to get three cases for this phone, through Vine. Before this, only once was I able to find a case for my phone. Another factor is that there are also apps on the Play Store that are dedicated to tweaking the Samsung experience. Some of them are quite useful. This is something you don’t find when using the minor players. VALUE Is this phone a good value? No. I’m sorry at its retail price, it’s not. The LG V60 might have a weaker camera and older processor, but it’s a far better value. The OnePlus 9 Pro, is a slightly better value, if we are talking about a full priced phone. If you want this phone to be a value, you need to land this phone for $900 or less. Anything higher just isn’t worth it. If you’re going to pay full price for this phone, you might want to look at the iPhone. I do not like iOS, but they have an excellent build, great camera, no bloatware, and fast updates. SHOULD YOU BUY THIS PHONE If money is not an issue and you love Samsung – yes. If money is no issue and you want the best camera – yes. If money is no issue and you want the best Android phone – maybe. If money is an issue and you want a great Android phone – buy the LG V60. If you want a clean Android experience – buy the Pixel 5 or OnePlus 9 Pro. If money isn’t an issue and you want the best phone – buy the iPhone 12 Pro Max. If you need to have a sd card and headphones jack – buy the LG V60. If you need to have a sd card and headphones jack, but hate LGs software – buy the Sony Xperia 1 II.
J**Y
100% perfect Galaxy S21 Ultra
Phone has been spectacular. Everything that the flagship phone of Samsung can be. Has performed as expected, arrived in perfect condition. Highly recommend seller. Great price for the best
B**G
Piece of mind used phones thru amazon
Mannn....this is the way to go if ur not a super heavy phone dependant....regular guy gal iz gonna find that this refurbished thru amazon iz a no brainer...the phone is gonna be capable of more than u require including the camera bells n whistles....look at it this way....it was only a feq or so years ago n this s21ultra was a mac daddy of a phone....jeez us....so u r gonna get mack daddy display n tech... i cant complement this deal thru amazon any more that i have, so pull the trigger n get one
D**2
Looks good enough, Bad camera functionality
Needed a replacement for husband’s phone. It appeared good enough to the eye. The camera on this phone has never worked properly. It does not focus and has issues with zooming in. He has complained about it to me, but didn’t return it when he should have.
K**Z
El celular llegó en muy buenas condiciones! Recomiendo la compra de reacondicionados en Amazon, ya pedí el segundo espero que llegue igual de bien.
A**A
El estado estético del celular fue impecable, como si fuera completamente nuevo, las cámaras están geniales, la pantalla es poco más grande que el iPhone 14 Pro Max, aguanta muy bien la batería, la pantalla está perfecta, tenía solo miedo por el tema del chip por ser versión estadounidense, pero funcionó muy bien con Movistar. Llega en una caja genérica de re acondicionado de Amazon, un cargador genérico y el celular bien envuelto junto su llave para el chip.
C**.
El teléfono venia en perfectas condiciones estéticas excepto por la tapa trasera ligeramente despegada unos milímetros imperceptible a simple vista ,sin embargo me hace creer que no fue bien pegado o si con el calor se vaya a despegar. En cuanto el rendimiento y funcionamiento en general todo bien.
D**Z
El dispositivo viene en excelentes condiciones, la mejor compra que he realizado
V**D
Me llegó en perfecto estado aunque mal empaquetado todo funcionaba a la perfección, a los 2 días dejo de funcionar la cámara frontal
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