White
1 colour

Karbonn

Karbonn A21

Launched January 2012

Overview

Strengths

Weak points

Battery & charging0.6
Connectivity1.7

Display: 4.5″TFT LCD480 × 800 px
Performance: Dual-Core500 MB RAM4 GB
Battery: 1,800 mAh
Cameras: 5 Mpxselfie 1.3 Mpx
Network: 3G2G
Software: Android 4.0

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Karbonn

Technical specifications

Battery

Battery Capacity: 1,800 mAh
Battery Type: Li-Ion
Talk time: 5 h
Standby time: 200 h

Design

Body Colors: White
Foldable: No
Rugged Build: No

Performance

Maximum CPU Clock: 1.2 GHz
Maximum Storage Capacity: 4 GB
CPU Description: Dual-core 1.2 GHz
Processor Type: Dual-Core
RAM Capacity: 500 MB
Expandable Storage: Yes

Display

Display Aspect Ratio: 5:3
Display Technology: TFT LCD
Display Diagonal: 4.5″
Display Horizontal Resolution: 480 px
Display Vertical Resolution: 800 px
Display Pixel Density: 207 ppi
Integrated Projector: No
Display colors: 256K colors

Sensor

Sensor Features: Accelerometer, Proximity Sensor

Software

Operating System: Android 4.0
OS Family: Android
OS Version: 4

Connectivity

SIM Configurations: Dual Mini-SIM
Cellular Bands: 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 2100
Cellular Technologies: GSM, HSPA
Wi-Fi Standards: Wi-Fi 802.11 b/g/n
Wi-Fi Features: Wi-Fi 802.11 b/g/n
Bluetooth Version: Bluetooth 2.1
Bluetooth Profiles: A2DP
Navigation Systems: GPS
Connectivity Features: 3.5 mm Audio Jack, microUSB
USB Version: microUSB
SAR (EU) head: 0.44 W/kg

Audio

Audio Features: A2DP, Loudspeaker

Automated technical index

NeoScore

NeoScore is an automated technical index based on verified specifications. It does not represent hands-on testing unless NeoTeo publishes a separate review.

Prices in United States

Selected variant

A21

NeoScore does not apply to this phone: its specifications do not cover enough categories, as with basic phones

A21

Camera system

Every physical camera module is shown separately, with its sensor, lens and capture capabilities.

Rear camera

Resolution: 5 Mpx
Slow Motion Video: Yes
Flash Type: LED
Flash LED Count: 1 LED
Camera Features: LED Flash

Sensor

Resolution: 5 Mpx

Video

Slow Motion Video: Yes

Flash

Flash Type: LED
Flash LED Count: 1 LED

Features

Camera Features: LED Flash

Front camera

Resolution: 1.3 Mpx

Sensor

Resolution: 1.3 Mpx

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