B grade refers to units that may have dents, chips, or scuffs on the body. Hairline scratches or scuffs may be on the screen.
Model Name: Galaxy A51
Dimensions: 158.5 x 73.6 x 7.9 mm ( 6.24 x 2.90 x 0.31 in)
Weight: 172 g ( 6.07 oz)
Build: Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM: Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display Type: Super AMOLED
Display Size: 6.5 inches, 102.0 cm2 (~ 87.4 % screen-to-body ratio)
Resolution: 1080 x 2400 pixels, 20; 9 ratio (~405 ppi density)
Protection: Corning Gorilla Glass 3
Chipset: Exynos 9611 (10nm)
CPU: Octa-core (4x 2.3 GHz Cortex-A73 & 4x 1.7 GHz Cortex-A53)
GPU: Mali-G72 MP3
Card slot: microSDXC (dedicated slot)
Internal: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | UFS 2.0
Main Camera (Quad): 48 MP, f/ 2.0, 26mm (wide), 1/ 2.0", 0.8 µm, PDAF | 12 MP, f/ 2.2, 123 (ultrawide) | 5 MP, f/ 2.4, (macro) | 5 MP, f/ 2.2, (depth)
Features: LED flash, panorama, HDR
Video: 4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie Camera (Single): 32 MP, f/ 2.2, 26mm (wide), 1/ 2.8", 0.8 µm
Features: HDR
Video: 4K@30fps, 1080p@30fps
Loudspeaker: Yes
3.5 mm jack: Yes
WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth: 4.2, A2DP, EDR
GPS: Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC: Yes
Radio: FM radio
USB: USB Type-C 2.0, USB On-The-Go
Sensors: Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | ANT+
Battery Type: Li-Po 4000 mAh, non-removable
Charging: Fast charging 15W