Karbonn A21
⚖️-, - thickness
📱Android 4.0 (Ice Cream Sandwich)
💾4GB 512MB RAM, microSDHC (dedicated slot)
4.5"
480x800 pixels
5MP
Yes
1800mAh
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Network
Technology
GSM / HSPA
2G bands
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 2100
Speed
HSPA 7.2/0.384 Mbps
Launch
Announced
2012
Status
Discontinued
Body
Dimensions
-
Weight
-
SIM
Dual SIM (Mini-SIM)
Display
Type
TFT, 256K colors
Size
4.5 inches, 57.6 cm2
Resolution
480 x 800 pixels, 5:3 ratio (~207 ppi density)
Platform
OS
Android 4.0 (Ice Cream Sandwich)
CPU
Dual-core 1.2 GHz
Memory
Card slot
microSDHC (dedicated slot)
Internal
4GB 512MB RAM
Main Camera
Single
5 MP, AF
Features
LED flash
Video
Yes
Selfie camera
Single
1.3 MP
Video
Yes
Sound
Loudspeaker
Yes
3.5mm jack
Yes
Comms
WLAN
Wi-Fi 802.11 b/g/n
Bluetooth
2.1, A2DP
Positioning
GPS
NFC
No
Radio
No
USB
microUSB 2.0
Features
Sensors
Accelerometer, proximity
Battery
Type
Li-Ion 1800 mAh, removable
Stand-by
Up to 200 h
Talk time
Up to 5 h
Misc
Colors
Pearl White
SAR EU
0.44 W/kg (head)