Type
Smartphone
Operating system
Android
Style
Bar
Antenna
Internal
Input type
Touchscreen (Capacitive [finger])
Camera
5 megapixels
Bluetooth
Yes (unspecified version)
SMS
Yes
MMS
Yes
Browser
HTML (Javascript)

Type
Smartphone
Operating system
Android (Jelly Bean [4.1])
Style
Bar
Antenna
Internal
Input type
Touchscreen
Predictive text
Yes
Battery type
Li-polymer (2000 mAh capacity)
Camera
8 megapixels
Camera features
Records video, Auto focus, Digital zoom, Flash
Secondary camera
1 megapixels

Dimensions
3.86 inches (h), 2.03 inches (w), 0.67 inches (d)
Weight
3.17 ounces
Availability
Available
Released (US)
October 14, 2011
Original price
$39 USD
Color BLACK
MPN: ATTZ331BLU, UPC: 885913100050,
Product site
http://www.zteusa.com/device/201109/t20110927_9115.html

Dimensions
4.2 inches (h), 2.39 inches (w), 0.53 inches (d)
Weight
3.74 ounces
Availability
Available
Released (US)
August 11, 2010
Original price
$29 USD
Color BLACK
MPN: A310, UPC: 711868000018,
Product site
http://www.zteusa.com/device/201103/t20110303_1017.html

Type
Smartphone
Operating system
Android (Gingerbread [2.3])
Style
Bar
Antenna
Internal
Input type
Touchscreen (Capacitive [finger])
Standby time (max)
200 hours
Battery type
Li-polymer (1280 mAh capacity)
Camera
2 megapixels
Camera features
Records video, Contact pictures
Secondary camera
Yes

Type
Smartphone
Operating system
Android (Ice Cream Sandwich [4.0])
Style
Bar
Antenna
Internal
Input type
Touchscreen (Capacitive [finger])
Camera
5 megapixels
Secondary camera
1 megapixels
Location support
WiFi location
Internal memory
4 GB
WiFi
Yes