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Phone ZTE Z331 LG AX-490 BlackBerry Curve 3G 9330 AT&T Vista Sony Ericsson T68i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 2.5" diag.
4 : 3
5.5" diag.
18 : 9
?
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 950 mAh 1,100 mAh 1,150 mAh 2,450 mAh 700 mAh
Processor ? ? ? 2 GHz MediaTek Helio A22 (MT6761V) ?
RAM ? ? ? 3 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 3 megapixel Yes 2 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - ? 1080p HD -
Front Camera - - - 5 megapixel -
Weight 4 oz
(113g)
3.79 oz
(107g)
3.7 oz
(105g)
5.51 oz
(156g)
2.96 oz
(84g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 1xRTT EVDO r0 LTE (Cat 4) GPRS
Features 
Flashlight - - - Yes -
GPS / Location Yes Yes n/a n/a -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes Yes - - -
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi - - Yes
802.11 b,g
Yes -
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes Yes n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes - n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client Yes - n/a n/a Yes
EMS / Picture Messaging - - n/a n/a Yes
Instant Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes - n/a n/a -
Stereo Speakers - Yes - - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List - - n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - Yes n/a n/a -
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  ZTE Z331 LG AX-490 BlackBerry Curve 3G 9330 AT&T Vista Sony Ericsson T68i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 LG AX-490 BlackBerry Curve 3G 9330 AT&T Vista Sony Ericsson T68i

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