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Karbonn A21

Lava Iris X5

Network
Technology	GSM / HSPA	GSM / HSPA
2G bands	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 900 / 1800 - SIM 1 & SIM 2
3G Network	HSDPA 2100	HSDPA 2100
Speed	HSPA 7.2/0.384 Mbps	HSPA

Launch
Announced	2012	2014, September. Released 2014, September
Status	Discontinued	Discontinued

Body
Dimensions	-	143.5 x 71.5 x 7.7 mm (5.65 x 2.81 x 0.30 in)
Weight	-	134 g (4.73 oz)
SIM	Dual SIM (Mini-SIM)	Dual SIM

Display
Type	TFT, 256K colors	IPS LCD
Size	4.5 inches, 57.6 cm2	5.0 inches, 68.9 cm2 (~67.2% screen-to-body ratio)
Resolution	480 x 800 pixels, 5:3 ratio (~207 ppi density)	720 x 1280 pixels, 16:9 ratio (~294 ppi density)

Platform
OS	Android 4.0 (Ice Cream Sandwich)	Android 4.4.2 (KitKat)
CPU	Dual-core 1.2 GHz	Quad-core 1.2 GHz
GPU		Broadcom VideoCore IV

Memory
Card slot	microSDHC (dedicated slot)	microSDHC
Internal	4GB 512MB RAM	8GB 1GB RAM

Main Camera
Modules	5 MP, AF	8 MP, AF
Features	LED flash	LED flash
Video	Yes	1080p@30fps

Selfie Camera
Modules	1.3 MP	5 MP
Features		LED flash
Video

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n
Bluetooth	2.1, A2DP	4.0, LE
Positioning	GPS	GPS, GLONASS
NFC	No	No
Infrared port	No	No
Radio	No	FM radio
USB	microUSB 2.0	microUSB 2.0

Features
Sensors	Accelerometer, proximity	Accelerometer, proximity

Battery
Type	Li-Ion 1800 mAh, removable	Li-Ion 2100 mAh, removable
Stand-by	Up to 200 h	Up to 200 h (2G) / Up to 200 h (3G)
Talk time	Up to 5 h	Up to 6 h (2G) / Up to 4 h (3G)

Misc
Colors	Pearl White	Black, White, Grey
SAR EU	0.44 W/kg (head)
Price	About 130 EUR	About 110 EUR