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Samsung - Galaxy S24 128GB (Unlocked) - Onyx Black

Model:SM-S921UZKAXAA
SKU:6569840

Carrier

Unlocked
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Color

Onyx Black
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Your price for this item is $559.99
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Save $240
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Specifications
  • Key Specs

    Screen Size
    6.2 inches
    Front-Facing Camera
    12 megapixels
    Rear-Facing Camera
    50 megapixels
    Telephoto Camera 1
    10 megapixels
    Ultrawide Camera
    12 megapixels
    Series
    Samsung Galaxy S24
  • General

    Product Name
    Galaxy S24 128GB (Unlocked)
    Brand
    Samsung
    Model Number
    SM-S921UZKAXAA
    Series
    Samsung Galaxy S24
    Year of Release
    2024
    Color
    Onyx Black
  • Display

    Screen Size
    6.2 inches
    Screen Resolution
    2340 x 1080
    Display Type
    OLED
    Screen Type
    AMOLED
    Screen Material
    Victus 2
    Foldable Screen
    false
    Refresh Rate
    120Hz
    Brightness
    2600 nits
  • Camera

    Integrated Camera
    Front, Rear, Telephoto 1, Ultrawide
    Front-Facing Camera
    12 megapixels
    Rear-Facing Camera
    50 megapixels
    Telephoto Camera 1
    10 megapixels
    Ultrawide Camera
    12 megapixels
    Video Recording Resolution(s) and Frame Rate(s)
    120 fps frame rate 7680 x 4320 (8K) recording resolution
    Optical Zoom
    3x
    Digital Zoom
    30x
    High Dynamic Range (HDR)
    true
  • Network

    Carrier
    Unlocked
    Carrier Compatibility
    AT&T, Boost Mobile, Cricket, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, Google Fi
    Network Connectivity
    5G, 4G, 4G LTE, GSM
    Unlocked
    true
    Mobile Hotspot Capability
    true
  • Connectivity

    Headphone Jack
    false
    Wireless Connectivity
    Bluetooth, Wi-Fi, NFC
  • Power

    Battery Capacity
    4000 milliampere hours
    Wireless Charging
    true
    Wireless Charging Standard
    Qi
    Fast Charging Capability
    Wired, Wireless
    Fast Charging Technology
    Adaptive Fast Charging
    Wired Charging Wattage
    25 watts
    Wireless Charging Wattage
    11 watts
    Device Power Sharing
    Wireless
    Battery Chemistry
    Lithium-ion
  • Compatibility

    Charging Interface(s)
    USB-C
    Voice Assistant Built-in
    Bixby, Google Assistant
    Works With
    Amazon Alexa, Arlo, Bixby, Google Assistant, Hue, Nest, Ring, SmartThings
    SIM Card Size
    Nano SIM
    SIM Card Slots
    Single SIM
    Stylus Dock
    None
    Stylus Included
    false
  • Features

    Model Family
    Samsung Galaxy S24
    Usage Time(s)
    Internet Usage Time (LTE) Up to 25 hours, Internet Usage Time (Wi-Fi) Up to 25 hours, Audio Playback Time Up to 72 hours, Video Playback Time Up to 28 hours
    Sensors
    Accelerometer, Ambient light sensor, Barometer, Geomagnetic sensor, Gyro sensor, Hall effect sensor, Proximity sensor
    GPS Enabled
    true
    Global Positioning
    GPS, GLONASS, BeiDou (BDS), Galileo
    Mobile Payment Service Supported
    Google Pay, Samsung Pay
    Protective Qualities
    Dust resistant, Shock resistant, Water resistant
    Maximum Depth Of Water Resistance
    5 feet
    Ingress Protection (IP) Rating
    IP68
    Security Features
    Facial recognition, Fingerprint reader, Passkey
    Supported File Formats
    Video:MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM, Audio:MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR and more
    Built-in Storage
    128 gigabytes
  • AI

    AI Processing
    Cloud-based
    AI Photo/Video Capture Features
    Brightness adjustment, Depth adjustment, Facial recognition
    AI Photo/Video Editing Features
    Adjust background, Adjust image, Adjust objects, Image story creation, Remove objects, Reposition objects, Resize objects
    AI Document and Search Features
    Document summary, Transcription
    AI Translation
    Language translation, Speech recognition, Speech-to-text, Text-to-speech
  • Performance

    Operating System
    Android 14
    Processor Brand
    Qualcomm
    Processor Model
    Snapdragon 8 Gen 3 for Galaxy
    Processor Speed
    3.4 gigahertz
    Phone Memory (RAM)
    8 gigabytes
  • Dimensions

    Product Height
    5.78 inches
    Product Width
    2.77 inches
    Product Depth
    0.29 inches
    Product Weight
    5.92 ounces
  • Storage

    Media Card Slot
    None
  • Warranty

    Warranty - Parts
    1 Year
    Warranty - Labor
    1 Year
  • Other

    UPC
    887276802596
Features

Make every day epic with Galaxy AI on Galaxy S24. See a delicious looking dish on your social feed but don’t see a recipe? Simply Circle to Search with Google to find it in seconds. Then head to a sunny farmer’s market to pick up the ingredients and see your list clearly on the bright, adaptive display of Galaxy S24. Once the meal is ready, capture stunning close ups of your dish and dinner guests, no matter the lighting, with a high res camera and Nightography. And all the while, you can stay plugged into the moment, not the outlet, with a long lasting battery. Do more easily with Galaxy AI on Galaxy S24. Epic, just like that.

  • Circle it, search it, find it. Just like that.

    What’s your favorite influencer wearing? Where’d they go on vacation? What’s that word mean? Don’t try to describe it- use Circle to Search¹ with Google and get the answer in snap. With Galaxy S24, simply circle it on your screen and learn more.

  • What you see is what you get

    Share more of life’s most share worthy moments in natural, true to life color with 50MP camera.

  • Break down barriers to language barriers

    Speak foreign languages on the spot using Live Translate with Galaxy AI. Unlock the power of convenient communication with near real time voice translations, right through your Samsung Phone app.²

  • Go bigger. Go brighter

    See it all in stunning detail on the bigger and brighter screens³ of Galaxy S24. Look at your pics outside without squinting or looking for shade.

  • And wind down before bed with your screen at just the right brightness, thanks to Eye Comfort Shield. No matter where you are, see what you love clearly.

  • Note smarter, not harder

    Focus on capturing your notes and spend less time perfecting them. Note Assist⁴ with Galaxy AI will summarize, format, and even translate them for you. All of your notes are organized neatly so that you can find what you need when you need it.

  • Take a great photo. Then make it better.

    Turn every photo into a post worthy masterpiece. Move or remove objects. Fill in empty space. Simply snap a pic, and then take it from great to jaw dropping with Generative Edit⁵ powered by Galaxy AI.

  • Our powerful Galaxy smartphone

    Jump seamlessly between apps without the wait and see content in high quality with our fast processor, Snapdragon 8 Gen 3 for Galaxy⁶.

  • Put your best text forward

    Say the right thing at the right time in no time with Chat Assist⁵ with Galaxy AI on Galaxy S24. Get real time tone suggestions to make your writing sound more professional or conversational.

  • Plus, make typos a thing of the past. Focus on what you want to say, and let Chat Assist handle the rest.

  • The fun don’t stop with a drop

    Whether you’re running from meeting to meeting or running the trails, Galaxy S24 is tough enough to handle it.

  • The Armor Aluminum 2.0 frame and scratch resistant Gorilla Glass Victus 2 screen keeps your phone looking like new, no matter what your day throws your way.³

  • Focus on life. Not battery life.

    Stay charged and in charge when you level up to Galaxy S24. Experience an upgraded battery that’s optimized to last longer³ and work smarter with the apps you love.

  • Escape the outlet. Embrace the moment.

    Life’s best moments rarely happen near an outlet. With Super Fast Charging, you can get back to snapping selfies with friends, recording videos and posting it all.

  • To save or not to save? That’s a silly question.

    With Galaxy S24, there’s room for photos, apps and documents. Confidently save all your proudest highlights and bloopers and forget stressing about which files to delete.

  • Your phone? Your Watch? Your call.

    Conveniently keep your conversations going even while your Galaxy S24 phone stays in your pocket. Seamlessly sync your phone and Galaxy Watch in an instant, and enjoy the ease of answering calls and checking texts at a glance.

  • Pair up, tune in and carry on

    Enjoy the convenience of quickly connecting your Galaxy S24 phone and Galaxy Buds. Whether you’re on a call, playing games or listening to your favorite music, just pop in your Buds and keep enjoying whatever you’re doing without interruption.

What's Included

  • Galaxy S24 128GB

  • USB-C Cable

  • Sim Pin

  • Quick Start Guide

Questions & Answers (30)
  • Q: What dies unlocked mean? Is phone used and refurbished? (1 answers)

    A: Greetings, thank you for finding the opportunity to ask us your questions about the Samsung Galaxy S24. Unlocked devices allow you the freedom to choose the wireless carrier that want to do business with, without being locked into a service contract with them for the price of your device. The advertised unlocked Galaxy S24 is compatible with AT&T, Boost Mobile, Cricket, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Google Fi so you would have your choice among these carriers to provide your monthly service to your device after your purchase. This device is being sold as a brand-new device. Hope that helps answer your questions. If you think of additional questions for us, feel free to contact Samsung Support. Thank you for being a trustworthy Samsung customer. - Debra
  • Q: Dual sim (2 answers)

    A: Dose it have a sd card slot
  • Q: Does this work with Spectrum mobile (1 answers)

    A: Hi Lorider, thanks for taking the time out of your day to ask us your question about the Samsung Galaxy S24. The advertised unlocked Galaxy S24 is compatible with AT&T, Boost Mobile, Cricket, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Google Fi. Feel free to reach back out if you think of any other questions for us. Thank you for being a cherished Samsung customer. - Debra
  • Q: The phone maintains communication with LTE band 20? Thanks (1 answers)

    A: Hey there Valentina, thank you for finding the free time out of your busy day to ask us your question about the Samsung Galaxy S24. The advertised Galaxy S24 is compatible with the following networks: 2G GSM -GSM850, GSM900, DCS1800, and PCS1900. 3G UMTS - B1(2100), B2(1900), B4(AWS), B5(850), and B8(900). 4G FDD LTE - B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B14(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B29(700), B30(2300), B66(AWS-3), and B71(600). 4G TDD LTE - B38(2600), B39(1900), B40(2300), B41(2500), and B48(3600). 5G FDD Sub6 - N1(2100), N7(2600), N25(1900), N28(700), N66(AWS-3), and N71(600). 5G TDD Sub6 - N257(28GHz), N258(26GHz), N260(39GHz), and N261(28GHz). 5G TDD mmWave - N41(2500) and N78(3500). If you have additional questions for us, feel free to reach out to Support. Thank you for being a valued Samsung customer. - Debra
  • Q: Does this model have built-in call recording? (1 answers)

    A: Hello, thank you for finding the time out of your lively day to ask us your question about the Samsung Galaxy S24. The S24 offers screen recording as well as video recording. If you have any other questions for us, do not hesitate to contact us again at your leisure. Thank you for being a treasured Samsung customer. - Debra
See All Questions
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Screen Size
6.2 inches
6.7 inches
6.2 inches
6.3 inches
Front-Facing Camera
12 megapixels
10 megapixels
12 megapixels
10.5 megapixels
Rear-Facing Camera
50 megapixels
50 megapixels
50 megapixels
50 megapixels
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Reviews

Rating 4.7 out of 5 stars with 184 reviews

Rating by feature

  • Rating 4.9 out of 5 stars

  • Rating 4.8 out of 5 stars

  • Rating 4.7 out of 5 stars

94%would recommend to a friend

Customers are saying

Customers praise the Galaxy S24 128GB (Unlocked) for its exceptional camera quality, long battery life, and affordable price. They appreciate the phone's user-friendly interface and smooth performance.

This summary was generated by AI based on customer reviews.

Top Mentions filter

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 5 out of 5 stars

    Samsung for the win

    I recently upgraded to the Samsung Galaxy S24 128GB (Unlocked), and I couldn't be happier with my choice! This phone packs a punch in terms of performance, with its robust processor and ample RAM, ensuring that everything I do, from multitasking to gaming, is smooth and lag-free. The display is truly a standout feature. The vibrant, sharp AMOLED screen delivers stunning colors and deep blacks, making everything from watching videos to scrolling through photos a visual delight. It's also bright enough to be easily viewable even in direct sunlight—a huge bonus for outdoor use. Camera quality is impressive as well. The photo details are sharp, and the low-light performance has exceeded my expectations. I've been able to capture stunning shots, even in dim lighting, thanks to the advanced camera features and various shooting modes. Battery life is another highlight. With the Galaxy S24, I've found that I can comfortably get through a full day of heavy usage without needing to recharge, which is a game-changer for someone always on the go. Plus, the fast charging feature means I can quickly top up when I need it. One of my favorite aspects of this phone is the flexibility that comes with it being unlocked. I can easily switch between carriers or use local SIM cards when traveling without hassle. This feature has made my life so much easier! The design is sleek and feels premium in hand, though it’s lightweight enough that I don't feel weighed down carrying it around. The software experience is smooth, with One UI offering plenty of customization options that allow me to tailor the device to my preferences. Overall, the Samsung Galaxy S24 128GB is a fantastic investment for anyone looking for a powerful, feature-rich smartphone. Whether you’re a casual user or a tech enthusiast, this phone offers a blend of performance, functionality, and style. Highly recommend!

    Posted by TylerR

  • Rated 5 out of 5 stars

    Awesome Phone

    Good phone and nice quality. Its a really nice phone if your looking to get it for someone this christmas and i recommend it. It has a really good camera along with good video and great battery life if you're looking to game.

    Posted by Alejandro

  • Rated 5 out of 5 stars

    Galaxy s24

    Absolutely love my galaxy the picture qualities are the best there is. My only regret is not getting the 24+ or ultra.

    Posted by Mtuk6969

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