Celkon A9 Dual

Micromax Bolt A28

Price
Rs. 2,990.00 Rs. 3,099.00
Capacity
1350 mAH, Li-ion 1500 mAH, Li-ion

11.1% more mAH battery than Micromax Bolt A28. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1350 mAH, Li-ion)

TalkTime
Up to 3.33 Hours(2G) Up to 4 Hours(2G)
Stand By Time
Up to 240 Hours(2G) Up to 260 Hours(2G)
Main Camera
2 MP

566.7% more mega pixels (MP) on main camera than Micromax Bolt A28. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (2 MP vs. 0.3 MP)

0.3 MP
Front Camera
0.3 MP 0.3 MP
Zoom
Digital Zoom Digital Zoom
Operating Frequency
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
Yes Yes
Wi-Fi
Wi-Fi 802.11, b/g/n, Mobile Hotspot Wi-Fi 802.11
Bluetooth
Yes Yes
USB Connectivity
USB Port, microUSB 2.0 USB Port
Touch Screen
Capacitive Touchscreen Capacitive Touchscreen
Weight
116 grams 89 grams

27.0 grams Lighter than Micromax Bolt A28. light weight phone is easy to hold and can kept in your pocket for long time. (89 grams vs. 116 grams)

Dimensions
120.5 x 63.9 x 10.6 mm

1.9 mm Thinner than Micromax Bolt A28. Slim mobile phone is easy to handle and looks gorgeous in hand. (120.5 x 63.9 x 10.6 mm vs. 116.9 x 62.5 x 12.5 mm)

116.9 x 62.5 x 12.5 mm
Colours
Black Black
Screen Size
3.5 Inch 3.5 Inch
Screen Resolution
320 x 480 pixels 320 x 480 pixels
Pixel Density (sharpness)
165 ppi 165 ppi
Display Type
TFT TFT
GPS
with A-GPS
Sensors
Accelerometer
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Brand
Celkon Micromax
Model
A9 Dual Bolt A28
Operating System
Android v4.2.2 (Jelly Bean) Android v2.3 (Gingerbread)
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
OS Type
Android Android
FM Radio
Recording option
Loudspeaker
Yes Yes
Audio Jack
3.5 mm 3.5 mm
Processor
1 GHz 1 GHz, Cortex A5
RAM
256 MB 256 MB
Internal Memory
512 MB 512 MB
Expandable Memory
Up to 32 GB Up to 32 GB
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