Karbonn K31 Star vs Lava A2 Smart

Comparing the Karbonn K31 Star vs Lava A2 Smart across display, camera and battery to help determine the better smartphone.

Here is the summary of the results:

Display: Both Karbonn K31 Star and Lava A2 Smart offer the same screen size of 2.4 inches and feature the same TFT display.

Rear Camera: Both Karbonn K31 Star and Lava A2 Smart feature a 0.3 MP primary rear camera.

Battery: Karbonn K31 Star offers a higher battery capacity with 1800 mAh, while Lava A2 Smart offers 1200 mAh, making Karbonn K31 Star better for longer battery life.

Karbonn K31 Star

₹1,199

(Out of Stock)

Lava A2 Smart

₹1,132

@ Amazon

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Summary

Release Date

27 Dec, 2021

11 Jul, 2025

Display

2.4 inches (6.1 cm)	2.4 inches (6.1 cm)
TFT	TFT
240x320 px	240x320 px

Rear Camera

0.3 MP

Primary Camera

0.3 MP

Primary Camera

Battery

1800 mAh

1200 mAh

User Ratings

3.8/5

(265 ratings)

N/A

Compare Prices

Not Available in any store

₹1,132

@ Amazon

User Feedback

General

Launch Date

Dec 27, 2021

(Official)

Jul 11, 2025

(Official)

Display

Display Type

TFT

Screen Size

2.4 inches (6.1 cm)

Resolution

240x320 px

Pixel Density

167 ppi

Design

Weight

N/A

87 grams

Rear Camera

Resolution

0.3 MP
Primary Camera

Flash

N/A

Image Resolution

640 x 480 Pixels

Camera Features

Digital Zoom

N/A

Battery

Capacity

1800 mAh

1200 mAh

Battery Type

Li-ion

Storage

Expandable Storage

Yes Up to 32 GB

Network & Connectivity

SIM Slot(s)

Dual SIM

Network Support

5G Not Supported

Bluetooth

Yes

N/A

Multimedia

Audio Jack

3.5 mm

Video Player

Yes Video Formats: 3GP

Ring Tone

Polyphonic ringtones Vibration

Music

Yes Music Formats: MP3

Special Features

Torch Light Multi Languages

Torch Light

Sensors

Games

Yes

N/A

Phone Book

Yes Limited

N/A

Other Facilities

Calculator Calendar Alarm

Alarm Calculator Calendar Timer

Compare Prices

Not Available in any store

₹1,132

@ Amazon