Product TypeSmartphone
Manufacturer Model NumberSM-F721U
Form FactorFolder (flip) - touch screen, dual screen
Width2.8 in
Depth0.3 in
Height6.5 in
Weight6.6 oz
Dimensions DetailsUnfolded - 2.8 in x 0.3 in x 6.5 in Folded - 2.8 in x 0.7 in x 3.3 in
Body ColorBora purple
Body MaterialCorning Gorilla Glass Victus, Armor Aluminum frame
SAR Value1.59 W/kg (simultaneous), 1.06 W/kg (wireless router), 0.94 W/kg (body), 1.02 W/kg (head)
TechnologyWCDMA (UMTS) / GSM
Mobile Broadband Generation5G
Service ProviderU.S. Cellular
Operating SystemAndroid 12
User InterfaceOne UI
Intelligent AssistantBixby
NavigationGPS, GLONASS, BeiDou, Galileo
SIM Card TypeNano SIM, Electronic SIM card (e-SIM)
SIM Card QtyDual-SIM
Payment TechnologySamsung Pay
Input DeviceMulti-touch
Data TransmissionFDD-LTE, TDD-LTE, LAA, 5G NR FR1, 5G NR FR2
2G Band850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS BandBand 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency2100, 1900, 1700, 850, 900
4G LTE BandBand 2, Band 4, Band 5, Band 7, Band 12, Band 13, Band 25, Band 26, Band 29, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66, Band 71
4G LTE FrequencyFDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700c, FDD 1900+, FDD 850+, FDD 700d, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR BandN1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n71, n78, n257, n260, n261, n25
5G NR FrequencyFDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3500, TDD 28GHz, TDD 39GHz, TDD 28GHz, FDD 1900
Wireless InterfaceNFC, IEEE 802.11a/b/g/n/ac/ax, Bluetooth 5.2 LE
Phone Features
SensorsAccelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security DevicesFace recognition, fingerprint reader (side)
Additional FeaturesMIMO technology, Samsung KNOX, High AOP Mic, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, Flex mode
Media Player
Supported Digital Audio StandardsWAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video StandardsMKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound EnhancementsDolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound
Clock Speed3.18 GHz
Processor Core Qty8-core
Internal Memory Capacity256 GB
User Memory217.7 GB
Memory InterfaceUFS 3.1
Front Camera
Sensor Resolution10 Megapixel
Lens ApertureF/2.4
Focus AdjustmentFocus free
Field of View (FoV)80 degrees
Pixel Size1.22 µm
Second Camera
Sensor Resolution12 Megapixel
Lens TypeUltra wide-angle lens
Lens ApertureF/2.2
Field of View (FoV)123 degrees
Pixel Size1.12 µm
Main Camera
Optical Image StabilizerOptical Image Stabilizer (OIS)
Lens TypeWide-angle lens
Lens ApertureF/1.8
Field of View (FoV)83 degrees
Pixel Size1.8 µm
Focus AdjustmentAutomatic
Digital Zoom10x
Self-Timer DelayYes
Special EffectsHDR, Grid Line
Camera ModesPanorama, Slow motion mode, Pro mode, HYPERLAPSE, Quick Shot, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View
Light SourceHigh CRI LED flash
Video Resolutions1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps
FeaturesPlayback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilization), Tracking AF, Video location tags, Dual Pixel Autofocus technology, AR sticker, Scene Optimizer, Flaw detection, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, FlexCam
TypeOLED display
TechnologyDynamic AMOLED 2X
Diagonal Size6.7"
Display FormatFull HD+
DesignInward folding
Pixel Density425 ppi
HDR TechnologyHDR10+
Refresh Rate120 Hz
ProtectionSamsung Ultra Thin Glass
FeaturesAOD(Always On Display), Video Wallpaper
Color Depth16.7 million colors
Display (2nd)
TypeOLED display - color
Diagonal Size1.9"
Display Resolution512 x 260 pixels
Display (Unfolded)
Diagonal Size6.7 in
Display Resolution2640 x 1080 pixels
Connector TypeUSB Type-C - 24 pin USB-C
Capacity3700 mAh
Fast Charging TechnologyQualcomm Quick Charge 2.0, Adaptive Fast Charging
Wireless ChargingYes
Wireless Charging StandardsWPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare, Reverse wireless charging
Talk Time2040 minutes
Run Time DetailsTalk (4G): up to 2040 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (wireless video): up to 19 hrs Playback (wireless audio): up to 56 hrs
Compliant StandardsVDE, IPX8
Included AccessoriesSIM card removal tool, USB-C cable
Manufacturer Warranty
Service & SupportLimited warranty - 1 year
Environmental Parameters
Max Depth of Water Resistance5 ft
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