Celkon A21 is a Smart Phone that has been powered by Quad Core Mediatek MT6582 chipset and comes with 256MB RAM. A21 contains 512 MB of internal storage. The phone has 4-inch touchscreen display along with the resolution of 320 x 480 pixels. Concerning the camera, Celkon A21 packs 3 MP camera on the rear as well as 1.3MP camera on the front. It comes in Red, Blue and Black color variants.

Moreover, Celkon A21 will be running on Android 4.2.2 (Jelly Bean) and will have Li-Ion 1500 mAh battery. The phone will weigh 115.3 g (4.06 oz), and its dimensions will be 124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in) vis-à-vis height x width x thickness. Celkon A21 is a dual SIM Smart Phone, and its connectivity options will include GPRS, EDGE, WLAN, Bluetooth, NFC, USB,

Features and Specification

Design
Design	Device Type	Smart Phone
	OS	Android 4.2.2 (Jelly Bean)
	Dimension	124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
	Weight	115.3 g (4.06 oz)
Technology
Technology	2G Network	GSM 900 / 1800 - SIM 1 & SIM 2
	3G Network	HSDPA 2100
	SIM	Dual SIM (Dual stand-by)
	Announced	2014
	Status	Available. Released 2014
Display
Display	Type	Capacitive touchscreen
	Size	4.0 inches (~57.8% screen-to-body ratio)
	Multi-touch	N/A
	Protection	N/A
Photography
Photography	Rear Camera	3.15 MP
	Features	N/A
	Video	Yes
	Front Camera	1.3 MP
Memory
Memory	Card slot	microSD, up to 32 GB
	Internal	512 MB, 256 MB RAM
Sound
Sound	Alert types	Vibration; MP3, WAV ringtones
	Loudspeaker	Yes
	3.5mm jack	Yes
Connectivity
Connectivity	GPRS	Yes
	EDGE	Yes
	Speed	HSPA
	WLAN	Yes
	Bluetooth	4.0, A2DP
	NFC	N/A
	USB	Yes
Battery
Battery	Capacity	Li-Ion 1500 mAh battery
	Stand-by	Up to 120 h (3G)
	Talk time	Up to 8 h (3G)
Features
Features	Chipset	Mediatek MT6582
	CPU	Quad-core 1.3 GHz Cortex-A7
	GPU	Mali-400MP2
	Sensors	Accelerometer
	Messaging	SMS (threaded view), MMS, Email
	Browser	HTML
	Radio	FM radio
	GPS	No
	Java	No
	Colors	Black, Blue, Red
	Others	- MP3/WAV/eAAC player - MP4/H.264 player - Photo/video viewer/editor - Voice memo/dial