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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

  • CPU2.73 GHz Octa-core
  • Storage drive128 GB
  • ProcessorQualcomm Snapdragon
  • Connection optionsYes
  • Operating systemAndroid
  • Form factorBar Phones
  • 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.

How it compares

Measured against everything we stock in No-Contract Smartphones, at today’s prices. Recalculated every night.

Price $157.99
Cheaper than about 58% of the 646 comparable items (median $180.49).
Storage drive 128 GB
Typical for this category: the median of 506 items is 128 GB.

Specifications

Product
Brand nameSamsung
Product lineGalaxy Note 20 5G
Model nameN981U
Part numberN981U
Product typeCell Phone
Product colorGreen
Processor
CPU2.73 GHz Octa-core
ProcessorQualcomm Snapdragon
Processor chipQualcomm Snapdragon 865
Core configurationOcta-core
CPU clock speed2.73 GHz
Memory
RAM capacity8 GB
Storage
Storage drive128 GB
Expandable storageUp to 1 TB
Display
TouchscreenYes
Main screen size6.7 in (17 cm)
Display technologyAMOLED
Screen resolution2040 × 1080
Audio & video
Back camera12.0 MP
Camera flashYes
Zoom capability30X
AutofocusYes
Video recording4K
Selfie camera10 MP
Connectivity
Connection optionsYes
Technology type5G
Data connectionGPRS, EDGE, HSDPA, EV-DO, Wi-Fi
SIM typeNano SIM
Second SIM typeNano SIM
Wi-Fi capabilityWi-Fi 802.11 a/ac/b/g/n, Wi-Fi hotspot
BluetoothYes
Built-in GPSYes
Messaging servicesSMS, MMS, Email, Push Email, IM
Extra radiosWi-Fi/GPS/NFC
Ports & slots
Expansion slotNone
HDMI portsNo
Power
Battery typeLithium Ion Battery
Battery capacity4,300 mAh
Talk duration20–30 h
Standby duration360 h
Charging optionsFast Charging / Wireless Charging
Run timeUp to 8 h on 3G, Up to 8 h on Wi-Fi
Size & build
Form factorBar Phones
Product weight6.84 oz
Compatibility
Carrier compatibilityT-Mobile Only
Environment & compliance
Water resistanceIP68
Software
Operating systemAndroid
Email supportEmail, Push Email
More details
Phonebook entries1000
QWERTY keyboardYes

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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