Samsung Galaxy S21 5G SM-991N 256GB (Phantom Grey) [Factory Unlocked]

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Samsung Galaxy S21 5G SM-991N 256GB

The fastest chip in the Galaxy's history, a 64Mpx professional camera, and a battery that will never let you down—welcome to the world of the new generation Samsung Galaxy S21 5G smartphone. Not only does this powerful device support modern 5G connectivity, but it also features a revamped rear camera design that guarantees both high-quality videos and high-resolution photos.

What's Included

  • Quick Start Guide
  • Samsung Galaxy S21 with 256GB Memory Cell Phone (Unlocked)
  • USB-C to USB-C cable
  • Ejection Pin


  • 120Hz Super-Sensitive Display

  • The Hardest Gorilla Glass Victus

  • Crystal Clear Colour and Sharpness

  • 8K Video

  • Action Without Camera Shake

  • Get Close Up and Personal with a 30× Digital Zoom

  • Special Night Mode

  • A Faster Chip Powers Performance

  • Connect the Galaxy S21 5G to Your PC



  • Model name SM-G991N
  • OS Android (11), Samsung One UI
  • System chip Exynos 2100
  • GPU Mali™-G78 MP14
  • Storage 256GB (UFS 3.0), not expandable
  • SIM Type Nano SIM
  • Single SIM


  • 5G TDD Sub6 n78(3500)
  • LTE(FDD) B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B66(AWS-3)
  • LTE(TDD) B38(2600), B39(1900), B40(2300), B41(2500)
  • 3G UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
  • 2G GSM GSM850, GSM900, DCS1800, PCS1900
  • Data Speed LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s


  • Type Dynamic AMOLED
  • Screen size 6.2 inches
  • Screen resolution 2400 x 1080 pixels, 20:9 ratio
  • Screen pixel density424 PPI
  • Features 120Hz refresh rate (adaptive), HDR video support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor


  • Rear Triple camera
  • Main Camera 12 MP (OIS, PDAF) Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
  • Second Camera 64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
  • Third Camera 12MP (Ultra-wide, Autofocus) Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
  • Front Camera 10 MP (PDAF, HDR)
  • Video recording 7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)


  • Bluetooth 5.0
  • Wi-Fi 802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
  • USB Type-C (reversible), USB 3.2 (Charging, Headphones port, OTG, Video out)
  • Sensors Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
  • Other NFC, ANT+


  • Capacity 4800 mAh
  • Type Li-Polymer, Not user replaceable
  • Charging Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
  • Max charge speed Wired: 25.0W; Wireless: 15.0W


  • Dimension 151.7 x 71.2 x 7.9 mm (L x W x H)
  • Weight 6.03 oz (171.0 g)
  • Materials Back: Plastic; Frame: Aluminum
  • Resistance Water, Dust; IP68
  • Biometrics 2D Face unlock, Ultrasonic in-screen fingerprint
  • Color Phantom Grey

Network Compatibility 

  • 5G TDD Sub6 n78(3500)
  • LTE(FDD) B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B66(AWS-3)
  • LTE(TDD) B38(2600), B39(1900), B40(2300), B41(2500)
  • 3G UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
  • 2G GSM GSM850, GSM900, DCS1800, PCS1900
  • Data Speed LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Notice only for U.S. Customers - 5G NOT AVAILABLE IN U.S.

Samsung Galaxy S21 works with 4G LTE, 3G, and 2G networks. (USA). 

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Questions & Answers

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  • Is the phone brand new or refurbished?

    Our products are not refurbished, those are brand new products.

  • Hi are these phones brand new

    Our products are not refurbished, those are brand new products.

  • Hi there, Can you please let me know if this phone will work fine in the UK? SM-G991N is the south korea model, different to the european model SM-G991B. 5G band is different, maybe other things. Will there be any problem or performance issues using this in the UK? Thank you

    Hello, Thank you for your question. Yes, we sell the South Korean model which is different from a European model. The device is factory unlocked for international use and is destined for international use so it is compatible with any network regardless of country. Yes, 5G is working only on the sub6 n78 (3500) band. If your mobile operator does not provide a connection on the n78 band, 5G will not work on this device. The chip for the Korean version is the new Exynos 2100 chip. Other than these differences, there is no other significant difference between the two models.

  • Hello, please tell me if samsung galaxy s21 is in stock Your website says it is, but I have had many weeks wasted by tecobuy because I bought the phone from their site but they did not have the item in stock. I don't want to make the same mistake again, is your website accurate and how long until i will receive the phone to UK address? Thanks

    Hello, thank you for your question. Yes, S21 is in stock! We have recently received many S21 from our suppliers, so we have a lot in stock currently, we can send it right away.
    We ship by FedEx express and the shipping usually takes 3-7 business days to UK.

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