Samsung Galaxy A51 5G

  • 6.5-inch Super AMOLED screen
  • 48/12/5/5 MP rear, 32 MP front cameras
  • 5G fast octa-core processing
  • 4,500mAh battery

Capacity: 128 GB

Colors: Prism Crush Black

Price: $16.67 per month on the AT&T Installment Plan


Size (inches) 6.26 x 2.90 x 0.34
Weight (ounces) 6.63


Display size (inches) 6.5-inch Super AMOLED screen
Resolution (pixels) 2400 x 1080
Colors 16 million

Camera & video

Rear-facing camera Quad Rear Camera: 48 MP Main Camera + 12 MP Ultra wide + 5 MP Macro + 5 MP Depth 10x digital zoom
Video capture UHD30fps, FHD30fps, HD30fps; MP4, 3GP
Video playback UHD30fps, FHD30fps, HD30fps; MP4, 3GP
Front-facing camera 32 MP
Camera shooting options Pro, Panorama, Macro, Food, Night, Live Focus, Super Slow-Mo, Slow Motion, Hyperlapse, Video


Battery capacity 4000mAh
Talk time (hours) Up to 23
Standby time (days) Up to 14.2
Audio playback time (hours) Speaker: up to 43, headset: up to 86
Fast charging capable Yes
Time to charge to 50% Up to 40 minutes
Time to charge to 100% Up to 100 minutes


Chipset Samsung Exynos 980
Cores Octa-Core, 2 at 2.2GHz and 6 at 1.8GHz


Internal memory storage Up to 128GB
Expandable memory storage Up to 1TB
Memory format microSDTM

Operating System

Android® 10.0 
Subject to change based on future operating system updates
Voice dialing and voice commands Yes

Wireless technology

5G Yes
4G LTE Bands 1, 2, 3, 4, 5, 7, 12, 14, 20, 29, 30, 38, 39. 40, 41, 66
4G HSPA+ with enhanced backhaul
3G – UMTS 850/1900/2100MHzTM
GSM/GPRS/EDGE 850/900/1800/1900MHzTM
World phone Quad-band
HD Voice capable Yes
Wi-Fi Calling capable Yes
AT&T Video call capable Yes
Wi-Fi connectivity 802.11a/b/g/n/ac/i/r
Wi-Fi-capablity 2.4GHz & 5.0GHz
Bluetooth® technology v5.0
Mobile hotspot Up to 10 devices
Noise suppression Noise suppression by Fortemedia
Wireless emergency alerts (CMAS) capable Yes
SIM type Nano


Preloaded apps from AT&T AT&T Call Protect, AT&T Device Help, AT&T DriveMode, AT&T Messages Backup & Sync, AT&T MobileKey, AT&T Mobile Security, AT&T Personal Cloud, AT&T ProTech, AT&T Remote Support, AT&T Secure Family, AT&T Setup & Transfer, AT&T Smart Wi-Fi, AT&T Thanks, AT&T TV, Bleacher Report, CNN, DC Universe, DIRECTV, Games of Thrones: Conquest™, Golf Clash, Great Big Story, HBO MAX, iQi, Mobile Services Manager, myAT&T, NBA, Pluto TV, The CW Network, Walmart, Walmart Grocery, Wizarding World of Harry Potter
Preloaded apps from Samsung Adapt Sound, Android Auto, AR Zone, Bixby Routine, Bixby Vision, Bixby Voice, Blockchain Keystore, Blue Light Filter, Daily, Device Care, Dual Messenger, Easy Mode, Finder, Galaxy Friends, Galaxy Store, Galaxy Wearable, Gallery, Global Goals, Internet, Office Mobile, Samsung Health, Samsung Keyboard, Samsung Kids, Samsung Knox, Samsung Members, Samsung Notes, Samsung Pass, Samsung Pay, Secure Folder, Smart Switch, Smart Things, Smart View
Additional apps Amazon® Shopping, Facebook®, Facebook App Manager, Google Drive, Google Duo, Google Maps, Google Pay, Google Play Movies & TV, Google Play Store, Google Search, YouTube®, YouTube Music
myAT&T Provides fast, easy account access virtually anywhere, anytime
Web browser Google Chrome™, Samsung Internet


Sensors Accelerometer, ambient light, fingerprint, gyroscope, proximity, magnetometer, e-compass

Messaging & email

Text messaging Insert pictures, video clips and sound clips easily (messaging charges apply)
Advanced Messaging RCS Universal Profile 1.0 (UP 1.0) compatible for larger file transfers and group messages with other UP 1.0 users. See when messages are delivered, read and when others are typing a response.
Mobile email POP3, IMAP4, Gmail™, Microsoft® Exchange ActiveSync®, SMTP


Music player Google Play™ Music
Supported music formats MP3, MP4, 3GP, AVI, MKV, FLV, AAC, AMR-NB, AMR-WB, WAV, XMF, FLAC, OGG, DSF, DFF and APE


Hearing Aid (HAC) rating M3, T3
Real Time Text (RTT) capable Yes


Device Eco-rating The AT&T Eco-Rating 2.0 system gives you environmental and social details about this device. The system uses a total of 20 performance criteria across 5 different attributes, for a total rating of 1 to 5 stars: 19-20 (5-star), 16-18 (4-star), 13-15 (3-star), 10-12 (2-star), 8-9 (1-star)
Substances of concern 4/4
Environmentally preferable materials 3/3
Energy efficiency and charging 1/1
End of life and recycling 2/2
Environmentally and socially responsible manufacturing 10/10
Total Eco-score 20/20