HTC Cha Cha a very good mobile.

General	2G Network	GSM 850 / 900 / 1800 / 1900
	3G Network	HSDPA 900 / 2100
	SIM	Mini-SIM
	Announced	2011, February
	Status	Available. Released 2011, June

Body	Dimensions	114.4 x 64.6 x 10.7 mm (4.50 x 2.54 x 0.42 in)
	Weight	120 g (4.23 oz)
	Keyboard	QWERTY

Display	Type	TFT capacitive touchscreen, 256K colors
	Size	480 x 320 pixels, 2.6 inches (~222 ppi pixel density)
	Protection	Corning Gorilla Glass
		- HTC Sense 2.1 UI

Sound	Alert types	Vibration, MP3, WAV ringtones
	Loudspeaker	Yes
	3.5mm jack	Yes

Memory	Card slot	microSD, up to 32 GB, 2 GB included
	Internal	512 MB ROM, 512 MB RAM

Data	GPRS	Yes
	EDGE	Yes
	Speed	HSDPA, 7.2 Mbps; HSUPA, 384 Kbps
	WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
	Bluetooth	Yes, v3.0 with A2DP
	USB	Yes, microUSB v2.0

Camera	Primary	5 MP, 2592 x 1944 pixels, autofocus, LED flash, check quality
	Features	Geo-tagging, face detection
	Video	Yes, 480p@30fps
	Secondary	Yes, VGA

Features	OS	Android OS, v2.3 (Gingerbread)
	CPU	800 MHz
	Sensors	Accelerometer, proximity, compass
	Messaging	SMS(threaded view), MMS, Email, Push Email, IM
	Browser	HTML
	Radio	Stereo FM radio with RDS
	GPS	Yes, with A-GPS support
	Java	Yes, via Java MIDP emulator
	Colors	Black, Silver
		- Facebook dedicated key - SNS integration - Google Search, Maps, Gmail - YouTube, Google Talk, Picasa - MP3/AAC+/WAV/WMA player - MP4/H.264 player - Organizer - Document viewer/editor - Voice memo - Predictive text input

Battery		Li-Ion 1250 mAh battery
	Stand-by	Up to 430 h (2G) / Up to 660 h (3G)
	Talk time	Up to 7 h 30 min (2G) / Up to 7 h (3G) It has been used by me and I like it.It made for Facebook and Twitter.It has Front camera. It price is BDT 11000 Thanks read this blog.