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Phone Samsung VI-A820 Samsung SCH-A220 Pantech Swift ZTE Z221
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
4 : 3
2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh ? 1,000 mAh 900 mAh
Processor ? ? Qualcomm QSX6270 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 142 MB
Main Camera - - 2 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QVGA (320 x 240) QCIF (176 x 144)
Front Camera - - - -
Weight 3.14 oz
(89g)
3.25 oz
(92g)
6.26 oz
(177g)
3.24 oz
(92g)
Dimensions 3.56" x 1.88" x 1.06"
(90 x 48 x 26.9 mm)
2.87" x 2.09" x 0.94"
(73 x 53 x 23.9 mm)
4.29" x 2.22" x 0.58"
(109 x 56 x 14.7 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Clamshell Clamshell Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT HSDPA 3.6 HSDPA 3.6
Features 
GPS / Location Yes Yes Yes Yes
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - Yes
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth - - Yes Yes
USB - - Yes Yes
Contacts
Picture ID Yes - Yes -
Ringer ID Yes Yes Yes -
Voice Dialing Yes Yes - -
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - - Yes Yes
Data & Network
Data Tethering - Yes Yes -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - - Yes Yes
Instant Messaging - - Yes Yes
MMS - - Yes Yes
Text Messaging Templates - Yes Yes Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - Yes -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List Yes Yes Yes -
Voice Memo Yes Yes Yes Yes
Software
BREW - - Yes -
Games Yes - Yes Yes
Java (J2ME) Yes - - Yes
Voice
Headset Jack (2.5 mm) Yes Yes - -
Push-To-Talk Yes - - -
Speaker Phone Yes - Yes Yes
  Samsung VI-A820 Samsung SCH-A220 Pantech Swift ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung VI-A820 Samsung SCH-A220 Pantech Swift ZTE Z221

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