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Specifications
Screen Size6.2 inchesFront-Facing Camera10 megapixelsRear-Facing Camera12 megapixels
Key Specs
Screen Size6.2 inchesFront-Facing Camera10 megapixelsRear-Facing Camera12 megapixels
General
Product NamePre-Owned Galaxy S21 5G 128GB (Unlocked)BrandSamsungModel NumberG991UColorPhantom GrayColor CategoryGray
Display
Screen Size6.2 inches
Camera
Integrated CameraFront, RearFront-Facing Camera10 megapixelsRear-Facing Camera12 megapixels
Network
CarrierUnlockedNetwork Connectivity4G LTE, 5G, CDMA, GSM
Connectivity
Wireless ConnectivityBluetooth, Wi-Fi
Features
Model FamilySamsung Galaxy S21 5GProtective QualitiesWater resistantMaximum Depth Of Water Resistance5 feetIngress Protection (IP) RatingIP68Built-in Storage128 gigabytes
Compatibility
SIM Card SizeNano SIMSIM Card SlotsSingle SIM
Performance
Operating SystemAndroid 11Processor ModelQualcomm SM8350 Snapdragon 888
Dimensions
Product Height5.97 inchesProduct Depth0.31 inchesProduct Weight5.96 ounces
Certifications & Listings
EPEAT QualifiedNo
Warranty
Manufacturer's Warranty - Parts90 DaysManufacturer's Warranty - Labor90 days
Other
UPC647056422051
The Galaxy S21 is the phone for business that lets you securely connect and collaborate anywhere. Discover new ways to collaborate with an impressive 8K camera and easily go from mobile to desktop to meetings with Samsung DeX. Keep your business data and personal information protected with a secure processor, Samsung Knox and the Knox portfolio. Work seamlessly in the way that works best for you with Microsoft and Link to Windows. Now you can easily optimize cellular and Wi-Fi connectivity by accessing the best network and plan at the moment, and stop paying more than necessary with monthly plans. Unlocked by Samsung smartphones work on most major U.S. networks and allow international business travelers to take advantage of lower local rates. When you get an Unlocked by Samsung smartphone, it has no pre-loaded carrier apps, so your organization can deliver a more predictable and consistent experience across devices and have greater freedom to customize device software. Inspiration is a fickle creature. The Galaxy S21’s intuitive camera lets you capture, share and collaborate in real time, no matter where you are. Be in front of the camera, behind the camera or both at the same time—Director’s View puts a whole new spin on the virtual tour. Connect all your devices with Wireless Samsung DeX and use your Galaxy S21 as the remote. Take conference calls on your TV, drag and drop files from your phone to PC or double your screens with the tap of a finger. The Galaxy S21 comes with a defense-grade security platform built in so you can rest easy. With multiple layers of protection, your device is safe from intrusion, malware and malicious threats. Keep your fleet of mobile devices in sync and in control from end to end. A complete set of cloud-based solutions eliminates the risk of user error for worry-free security, software updates, device setup and more. Part of Knox’s multi-layered security platform, the Galaxy S21’s Knox Vault is dedicated to protecting your PIN, password, pattern and Blockchain Private Key. And with biometric authentication, your private data stays private. Getting work done on your smartphone is more important than ever before. The Galaxy S21 comes integrated with Microsoft Office, OneDrive and Teams so you can easily access all your files, photos and reminders—whether you’re in the office, working from home or on the move.
Pre-owned device
Pre-owned products are inspected and verified to function properly with some cosmetic blemishes. May not include all parts and accessories. Comes in non-original packaging with a data cable.
Pre-owned products sold by Best Buy include a 90 day warranty, and are backed by Best Buys Return & Exchange Promise.
Network compatibility
Compatible with all major U.S. carriers, such as Verizon, AT&T, Sprint, and T-Mobile. Also works with prepaid carriers, including but not limited to: Cricket Wireless, Boost Mobile, Metro by T-Mobile, Simple Mobile, Total Wireless, Tracfone, Net10, Mint, Ultra, and H2O.
Display
6.2 inches Dynamic AMOLED 2X w/ Corning Gorilla Glass Victus, Resolution: 1080 x 2400 pixels
Memory
128GB, 8GB RAM
Camera
Main Camera: (Triple) 64 MP + 12 MP + 12 MP w/ LED flash, auto-HDR, panorama -- Selfie Camera: 10 MP w/ Dual video call, Auto-HDR
Operating system
Android 11, One UI 3.1 -- Qualcomm SM8350 Snapdragon 888 -- Adreno 660 -- Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680
Battery
Li-Ion 4000 mAh, non-removable - Fast charging 25W -- USB Power Delivery 3.0 -- Fast Qi/PMA wireless charging 15W -- Reverse wireless charging 4.5W
Dimensions
5.97 x 2.80 x 0.31 in, Weight: 5.96 oz
*SIM card not included
Search
- A: AnswerHey there BrianDP, thank you for finding the free time out of your busy day to ask us your question about the Samsung Galaxy S21 5G. The advertised Galaxy S21 5G is a 5G enabled device that also works with the 2G, 3G, 4G, and 4G LTE wireless networks when the absence of 5G connectivity occurs. Feel free to reach out to Samsung Support if you have any additional questions for us. Thank you for being a valued Samsung customer. - Debra
Answered by Samsung
Q: QuestionIs this phone compatible for T-Mobile?(2 answers)
A: AnswerIf it's actually unlocked it would be. Mine came locked and was unusable. It was set to AT&T.Answered by ChelseaO
Q: QuestionDoes this phone uses SIM card? Can I use the phone when I travel to another country?(1 answer)
A: AnswerYes, I have used this phone with a Mexican and an European simAnswered by user327006
Q: QuestionDoes the Samsung Galaxy S21 have wifi calling(1 answer)
A: AnswerYes - my S21 5G has wifi callingAnswered by Anonymous
Asked by DouglasS
Q: QuestionWhat condition is this phone in?(1 answer)
A: AnswerMine came in good condition but it was not unlocked. A total hassle.Answered by ChelseaO
Q: QuestionDo the pre-owned Galaxy phones have new batteries?(1 answer)
A: AnswerThe batteries are not new, but they are tested for a minimum of 80% of battery life.Answered by Pauleothaden
Q: QuestionHow long was this phone "pre-owned" (months, days, year)?(0 answers)
Asked by CPTBeyond
Reviews
Rating 3.9 out of 5 stars with 171 reviews
3.9Rating by feature
- 4.3Display Quality
Rating 4.3 out of 5 stars
- 4.4Camera
Rating 4.4 out of 5 stars
- 4.1Battery Life
Rating 4.1 out of 5 stars
Customers are saying
Customers are pleased with the condition, camera quality, and price of the Pre-Owned Galaxy S21 5G 128GB (Unlocked). They appreciate that the phone is in excellent condition despite being refurbished, and they find the camera to be clear and impressive. Additionally, customers feel that the price is reasonable for the quality of the device. However, some customers have concerns about the phone being carrier-locked and overheating issues.
This summary was generated by AI based on customer reviews.
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.
Rated 4 out of 5 stars
Mixed Opinion on my purchase but overall still hap
When i bought the phone online it said "unlocked" but when i picked it up and opened it it said t mobile maybe because i got an open box phone but i still enjoy the phone it was clean and barley had no marks not even a spec best buy is a reliable source of sorts but kinda dissapointed that it wasent unlocked but love the phone anyways four starts :D (as you can see in the picture i can not uninstall the hope making me to believe its locked and when i turn on the phone it does the same thing pink t mobile logo !)
This review is from Samsung - Pre-Owned Galaxy S21 5G 128GB (Unlocked) - Phantom Gray
Posted by SamretheanyY
Rated 5 out of 5 stars
Galaxy S21 in perfect condition!
Came exactly how I expected, if not better. I bought the same device from another seller and it was scratched horribly, although the screen was good. The one I got from Best Buy looked brand new! Didn't come with a charger block, but I have plenty of those. Came with a cord and perfect condition phone! (Case not included but you can see there are no scratches on the actual phone–near the camera shown)
Posted by Bmoney
Rated 5 out of 5 stars
Samsung S21 5G Pre-owned
I bought this phone for a friend who needed a second one for personal use besides her work phone and did not want to spend a lot of money for a new phone yet. It looks like brand new no dents, no scratches anywhere on the phone. Front display is perfect, sides of the phone and back of it are perfect. Turns on perfectly with no issues on Google, Samsung, or Android. Cameras work great both front & back. I tested it before gifting it to my friend and haven't heard any complains from her yet. Phone has a screen proctector.
This review is from Samsung - Pre-Owned Galaxy S21 5G 128GB (Unlocked) - Phantom Gray
Posted by MrBlueOP