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Phone NEC 525 Motorola i90c Samsung SGH-A157 ZTE Agent Nokia 6255i / 6256i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 1.8" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 162 x 216 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh ? 800 mAh 900 mAh 1,070 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware 256 MB ? raw hardware ? raw hardware
Main Camera Yes - - 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? ?
Front Camera - - - - -
Weight 4.03 oz
(114g)
5.33 oz
(151g)
2.99 oz
(85g)
3.53 oz
(100g)
4.23 oz
(120g)
Dimensions 4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.3" x 1.9" x 0.6"
(109 x 48 x 15.2 mm)
3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
Form Factor Clamshell Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

iDEN: 800

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS - ? 1xRTT 1xRTT
Features 
GPS / Location - - Yes Yes Yes
Accessibility
Adjustable Text Size - - Yes - -
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles Yes Yes Yes - Yes
Connectivity
Bluetooth - - - Yes Yes
Infrared (IR) Yes - - - Yes
USB Yes - Yes
Micro-USB
Yes
Micro-USB
Yes
Contacts
Picture ID Yes - Yes - Yes
Ringer ID Yes - Yes Yes Yes
Voice Dialing Yes Yes - - Yes
Customization
Custom Graphics Yes - Yes Yes Yes
Custom Ringtones Yes - Yes Yes Yes
Real-Music Ringers - - Yes Yes Yes
Data & Network
Data Tethering Yes Yes - - Yes
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes Yes - Yes Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client Yes - - Yes Yes
EMS / Picture Messaging Yes - - - Yes *
Instant Messaging - - - Yes -
MMS Yes - Yes Yes Yes
Text Messaging Templates - - Yes Yes Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - Yes Yes *
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List Yes - Yes - Yes
Voice Memo Yes Yes Yes Yes Yes
Software
BREW - - - Yes Yes *
Games Yes Yes - Yes Yes
Java (J2ME) Yes Yes - - Yes *
Voice
Headset Jack (2.5 mm) Yes Yes - - Yes
Push-To-Talk - Yes - - -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  NEC 525 Motorola i90c Samsung SGH-A157 ZTE Agent Nokia 6255i / 6256i
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Phone NEC 525 Motorola i90c Samsung SGH-A157 ZTE Agent Nokia 6255i / 6256i

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