Micromax Bolt A37B vs. Micromax Bolt A28

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Micromax Bolt A37B

Micromax Bolt A28

Price
Rs. 3,245.00	Rs. 3,099.00
Capacity
1450 mAH, Li-ion	1500 mAH, Li-ion 3.4% more mAH battery than Micromax Bolt A28. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1450 mAH, Li-ion)
TalkTime
Up to 5.5 Hours(2G)	Up to 4 Hours(2G)
Stand By Time
Up to 256 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 UMTS 2100 MHz \| GSM 1800 / 900 MHz	GSM 1800 / 900 MHz \| GSM 1800 / 900 MHz
GPRS
Yes	Yes
EDGE
Yes	Yes
3G
HSDPA 21 Mbit/s, HSUPA 5.76 Mbit/s
Wi-Fi
Wi-Fi 802.11	Wi-Fi 802.11
Bluetooth
v2.1, EDR	Yes
USB Connectivity
USB Port, microUSB 2.0	USB Port
Touch Screen
Capacitive Touchscreen	Capacitive Touchscreen
Colours
Black	Black
Screen Size
3.5 Inch	3.5 Inch
Weight
	89 grams
Dimensions
	116.9 x 62.5 x 12.5 mm
Screen Resolution
480 x 320 pixels	320 x 480 pixels
Pixel Density (sharpness)
165 ppi	165 ppi
Display Type
TFT	TFT
GPS
	with A-GPS
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card	Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Brand
Micromax	Micromax
Model
Bolt A37B	Bolt A28
Operating System
Android v4.2 (Jelly Bean)	Android v2.3 (Gingerbread)
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
OS Type
Android	Android
FM Radio
Yes	Recording option
Loudspeaker
Yes	Yes
Audio Jack
3.5 mm	3.5 mm
Processor
1 GHz, Chipset: MT6572E	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