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Phone Nokia 6170 ZTE Z221 ZTE Z331 Nokia N80 Samsung Heat
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
2.4" diag.
4 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 760 mAh 900 mAh 950 mAh 860 mAh 800 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware 142 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes Yes 3 megapixel 3 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) QCIF (176 x 144) CIF (352 x 288) ?
Front Camera - - - - -
Weight 4.34 oz
(123g)
3.24 oz
(92g)
4 oz
(113g)
4.73 oz
(134g)
3.17 oz
(90g)
Dimensions 3.46" x 1.81" x 0.94"
(88 x 46 x 23.9 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
3.76" x 1.97" x 1.02"
(96 x 50 x 25.9 mm)
3.6" x 1.8" x 0.6"
(91 x 46 x 15.2 mm)
Form Factor Clamshell Clamshell Clamshell Slide Slide
Platform / OS (proprietary) (proprietary) (proprietary) S60 (Symbian) (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EDGE HSDPA 3.6 HSDPA 3.6 EDGE EVDO r0
Features 
GPS / Location - Yes Yes n/a Yes
Accessibility
Adjustable Text Size - - - n/a Yes
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes - -
Ringer Profiles Yes Yes Yes Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - Yes -
USB Yes Yes Yes
Micro-USB
Yes Yes
Wi-Fi - - - Yes -
Contacts
Picture ID Yes - Yes n/a Yes
Ringer ID - - Yes n/a Yes
Voice Dialing Yes - - n/a -
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - Yes Yes n/a Yes
Data & Network
Data Tethering Yes - Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes Yes Yes n/a -
EMS / Picture Messaging Yes - - n/a -
Instant Messaging Yes Yes Yes n/a -
MMS Yes Yes Yes n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio - - - Yes -
Music Player - - Yes n/a Yes
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - - n/a Yes
Voice Memo Yes Yes Yes n/a Yes
Software
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes Yes n/a -
Voice
Push-To-Talk Yes - - Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia 6170 ZTE Z221 ZTE Z331 Nokia N80 Samsung Heat
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 6170 ZTE Z221 ZTE Z331 Nokia N80 Samsung Heat

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