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Phone Nokia 6255i / 6256i ZTE Z222 / Z223 BlackBerry Curve 8330 ZTE Z221
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
? 2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,070 mAh 900 mAh 1,150 mAh 900 mAh
Processor ? QSC6270 ? ?
RAM ? 64 MB ? ?
Storage ? raw hardware 128 MB ? raw hardware 142 MB
Main Camera Yes Yes 2 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? ? QCIF (176 x 144)
Front Camera - - - -
Weight 4.23 oz
(120g)
3.24 oz
(92g)
4.02 oz
(114g)
3.24 oz
(92g)
Dimensions 3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.2" x 2.4" x 0.6"
(107 x 61 x 15.2 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT HSDPA 3.6 EVDO r0 HSDPA 3.6
Features 
GPS / Location Yes - n/a Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - Yes
Ringer Profiles Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
USB Yes Yes
Micro-USB
Yes
Mini-USB
Yes
Contacts
Picture ID Yes Yes n/a -
Ringer ID Yes Yes n/a -
Voice Dialing Yes - n/a -
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes Yes n/a Yes
Data & Network
Data Tethering Yes - n/a -
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client Yes Yes n/a Yes
EMS / Picture Messaging Yes * - n/a -
Instant Messaging - - n/a Yes
MMS Yes Yes n/a Yes
Text Messaging Templates Yes Yes n/a Yes
Music
FM Radio Yes Yes * - -
Headphone Jack (3.5mm) - - Yes -
Music Player Yes * - n/a -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes - n/a -
Voice Memo Yes Yes n/a Yes
Software
BREW Yes * - n/a -
Games Yes Yes n/a Yes
Java (J2ME) Yes * Yes n/a Yes
Voice
Headset Jack (2.5 mm) Yes - n/a -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Nokia 6255i / 6256i ZTE Z222 / Z223 BlackBerry Curve 8330 ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 6255i / 6256i ZTE Z222 / Z223 BlackBerry Curve 8330 ZTE Z221

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