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Green rectangular smartphone with flat glass front and back, metal frame, S Pen slot visible at bottom edge

SAMSUNG

Samsung Galaxy Note 20 5G N981U T-Mobile 128GB Green

SKU CH-WGWR-B7SGA

A 6.7-inch AMOLED phone with Snapdragon 865+ and triple 12/64/12 MP cameras, 128 GB storage, IP68 water resistance and S Pen support

  • TypeCell Phone
  • Technology5G
  • Data transferGPRS, EDGE, HSDPA, EV-DO, Wi-Fi
  • Compatible Carrier & ServiceT-Mobile Only
  • Form FactorBar Phones
  • ColorGreen
  • 7-inch Super AMOLED display for vivid visuals
  • Snapdragon 865+ processor powers smooth multitasking
  • Triple rear camera with 64 MP telephoto for 30X zoom
  • 128 GB internal storage holds apps and media
  • IP68 water resistance protects against splashes and dust

Product identity

The Samsung Galaxy Note 20 5G N981U is a T-Mobile locked smartphone with 128GB storage and a 6.7 inch AMOLED display. It ships new with Android 12 and One UI, powered by the Snapdragon 865+ processor and 8GB RAM. The S Pen stylus is integrated for note-taking and remote control. This device suits users who want a large screen, stylus input and 5G on T-Mobile. It is not for buyers needing dual-carrier flexibility or expandable storage.

Thermals, noise and power

The 4300mAh battery supports all-day use with typical mixed workloads including 5G data and the 60Hz Super AMOLED panel. Passive cooling keeps the Snapdragon 865+ chipset within safe limits during sustained tasks; no fan noise exists. Power draw scales with screen brightness and 5G signal strength. Heavy camera sessions or prolonged gaming will reduce screen-on time compared to lighter use.

Accessories and software impact

The box includes a UL approved power adapter and USB charging cable only. Original packaging, headphones, SIM ejector tool and printed manual are absent. Samsung One UI adds DeX desktop mode, Samsung Pay and Knox security on top of Android 12. The S Pen enables air gestures, handwriting-to-text conversion and remote shutter control, extending productivity without extra hardware.

Highlights

  • 7-inch Super AMOLED display for vivid visuals
  • Snapdragon 865+ processor powers smooth multitasking
  • Triple rear camera with 64 MP telephoto for 30X zoom
  • 128 GB internal storage holds apps and media
  • IP68 water resistance protects against splashes and dust

Specifications

BrandSamsung
SeriesGalaxy Note 20 5G
ModelN981U
Part NumberN981U
TypeCell Phone
Technology5G
Data transferGPRS, EDGE, HSDPA, EV-DO, Wi-Fi
Compatible Carrier & ServiceT-Mobile Only
Form FactorBar Phones
ColorGreen
SIM Card TypeNano SIM
Secondary SIM Card TypeNano SIM
Water ResistantIP68
Touch ScreenYes
Main Display Size6.7"
Main Display FormatAMOLED
Main Display Resolution2040 x 1080
Rear Camera12.0 MP
FlashYes
Camera Zoom30X
Auto FocusYes
HD Video Capture4K
Front-Facing Camera10 MP
Operating SystemAndroid
System ChipQualcomm Snapdragon 865
Processor2.73 GHz Octa-core
Processor CoreOcta-core
Processor Speed2.73 GHz
RAM8GB
Storage128GB
Expansion Slot TypeNone
Max Storage ExpansionUp to 1TB
ConnectivityYes
Wi-Fi SupportWi-Fi 802.11 a/ac/b/g/n, Wi-Fi hotspot
HDMINo
Bluetooth SupportYes
Battery TypeLithium Ion Battery
Battery Capacity4300mAh
Talk Time20 - 30 hours
Standby Time360 Hours
ChargingFast Charging / Wireless Charging
Operating TimeUp to 8 hours on 3G, Up to 8 hours on Wi-Fi
GPS IntegratedYes
MessageSMS, MMS, Email, Push Email, IM
Additional FunctionWi-Fi/GPS/NFC
SpecificationsMultitouch Corning Gorilla Glass
Phonebook1000
Qwerty KeyboardYes
CPUQualcomm Snapdragon
EmailEmail, Push Email
Weight6.84 oz.

Questions about this item

How do I insert the Nano SIM and what is the common mistake?

Insert the Nano SIM into the tray with the gold contacts facing down and the notched corner aligned; the common mistake is placing the card upside down or forcing it without the ejector tool.

Which components will need replacement after extended use?

The 4300 mAh battery will eventually hold less charge and the USB-C port may wear from daily charging; the IP68 seals can also degrade if the phone is frequently submerged.

What performance limit appears first during sustained heavy use?

The Snapdragon 865+ will throttle clock speeds once the 6.7-inch AMOLED and 5G modem push the 4300 mAh cell past its thermal envelope, lowering frame rates in extended gaming sessions.

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