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  • Lava R3
  • Infinix Smart 20 4G 4GB/128GB
Product Image
mobile
mobile
Product Name Lava R3 Infinix Smart 20 4G 4GB/128GB
Price
৳. 12,690
৳. 14,999
Rating
3.1
3.5
Brand Lava Infinix
Category Smart Phone Smart Phone

General

Brand
Lava
Infinix
Model
R3
Smart 20 4G 4GB/128GB
Device Type
Smartphone
Smartphone
Price in BD
BDT. 12,690 (Official)
BDT. 14,499 (Official)
Release Date
20 March 2018
22 February 2026
Status
Available
Available
Camera
13 MP
Rear: 8MP / Front: 8MP
Display
5.7 inches (14.48 cm)
6.78 inches (17.22 cm)
Processor
MediaTek MT6737
Mediatek Helio G81 Ultimate
Battery
3000 mAh
5200 mAh

Display

Display Type
IPS LCD
IPS LCD
Screen Size
5.7 inches (14.48 cm)
6.78 inches (17.22 cm)
Resolution
720x1440 px (FULL HD)
720x1576 px (HD+)
Aspect Ratio
18:9
19.7:9
Screen Protection
Gorilla Glass
Gorilla Glass
Bezel-less Display
Yes with notch
Yes with punch-hole display
Touch Screen
Capacitive Touchscreen, Multi-touch
Capacitive Touchscreen, Multi-touch
Notch
Yes
Punch-hole

Hardware & Software

Software
Operating System
Android
Android
OS Version
v7.0
v16
Processor
Chipset
MediaTek MT6737
Mediatek Helio G81 Ultimate
CPU
Quad-core, 1.3 GHz
Octa-core (2x2.0GHz Cortex-A75 & 6x1.7GHz Cortex-A55
CPU Cores
4 core
8 Cores
GPU
Mali T720
Mali-G52 MP2
Memory
Internal Storage
32 GB
128 GB
Expandable Memory
Up to 64 GB
Up to 2 TB
RAM
3 GB
4 GB

Cameras

Main Camera
Camera Setup
Single
Single
Resolution
13 MP, Primary Camera
8 MP, f/2.0, Wide Angle, Primary Camera
Autofocus
Yes
Yes
Flash
LED Flash
Dual-LED flash
Zoom
Digital Zoom
Digital Zoom
Camera Features
Bokeh effects, Face beauty
AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama, Documents
Selfie Camera
Camera Setup
Single
Single
Resolution
8 MP, Primary Camera
8 MP, f/2.0, Wide Angle, Primary Camera
Flash
LED Flash
N/A

Design & Build

Colors
Black
Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue

Battery

Battery type
Li-Ion (Lithium-Ion)
Li-Poly (Lithium Polymer)
Capacity
3000 mAh
5200 mAh
Placement
Non-removable
Non-removable

Network

SIM 1
Technology
2G, 3G, 4G
2G, 3G, 4G
SIM Size
Micro
Nano
SIM Slot
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
2G Bands
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
3G Bands
UMTS 1900 / 2100 / 850 / 900 MHz
UMTS 1900 / 2100 / 850 / 900 MHz
4G Bands
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7)
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
VoLTE
Yes
Yes
GPRS
Available
Available
EDGE
Available
Available
Speed
HSPA, TD-SCDMA, LTE, TD-LTE
HSPA, LTE
SIM 2
Technology
2G, 3G, 4G
2G, 3G, 4G
SIM Type
Micro
N/A
SIM Slot
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
2G Bands
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
3G Bands
UMTS 1900 / 2100 / 850 / 900 MHz
UMTS 1900 / 2100 / 850 / 900 MHz
4G Bands
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7)
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
VoLTE
Yes
Yes
GPRS
Available
Available
EDGE
Available
Available
Speed
HSPA, TD-SCDMA, LTE, TD-LTE
HSPA, LTE

Connectivity

WLAN
Wi-Fi 4 (802.11 b/g/n)
Wi-Fi 5 (802.11 a/b/g/n/ac)
Bluetooth
v4.0
v5.0
GPS
Yes with A-GPS
Yes with A-GPS
Wi-fi Hotspot
Yes
Yes
USB
microUSB 2.0
Mass storage device, USB charging

Multimedia

FM Radio
Yes
Yes
Loudspeaker
Yes
Yes
Alert Types
Vibration, MP3, WAV ringtones
Vibration, MP3, WAV ringtones
Video
1080p@30fps
1440p@30fps, 1080p@30fps
Document Reader
Yes
Yes
Audio Jack
3.5 mm
3.5 mm

Sensors & Security

Light Sensor
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass
Fingerprint Sensor
Yes
Yes
Finger Sensor Position
Rear-mounted
Side-mounted
Face Unlock
Yes
Yes

Manufacturer

First Arrival
20 March 2018
22 February 2026
Manufactured By
Lava
Infinix
Availability
Available
Available
Made By
India
China

More

Sensor
G-sensor, Proximity, Light, GPS
Accelerometer, proximity, compass

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