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Phone ZTE Z221 NEC 525 Samsung SGH-X660 BlackBerry Pearl 3G 9100 / 9105 Samsung SCH-R410
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? 2.3" diag.
1 : 1
?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
162 x 216 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 900 mAh 800 mAh 800 mAh 1,150 mAh 800 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage 142 MB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes Yes Yes 3 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - ? ? -
Front Camera - - - - -
Weight 3.24 oz
(92g)
4.03 oz
(114g)
2.75 oz
(78g)
3.3 oz
(94g)
3.4 oz
(96g)
Dimensions 3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
3.9" x 1.9" x 0.57"
(99 x 48 x 14.5 mm)
Form Factor Clamshell Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology HSDPA 3.6 GPRS GPRS HSDPA 3.6 1xRTT
Features 
GPS / Location Yes - - n/a Yes
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display Yes Yes Yes - -
Ringer Profiles Yes Yes - Yes -
Connectivity
Bluetooth Yes - - Yes Yes
Infrared (IR) - Yes Yes - -
USB Yes Yes - Yes
Micro-USB
-
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID - Yes Yes n/a Yes
Ringer ID - Yes Yes n/a Yes
Voice Dialing - Yes - n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - Yes n/a -
Data & Network
Data Tethering - 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
Text Keyboard, Hardware - - - Yes * Yes
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client Yes Yes - n/a -
EMS / Picture Messaging - Yes Yes n/a -
Instant Messaging Yes - - n/a -
MMS Yes Yes Yes n/a Yes
Text Messaging Templates Yes - Yes n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - n/a -
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 Yes n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW - - - n/a Yes
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes Yes n/a -
Voice
Headset Jack (2.5 mm) - Yes - n/a -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  ZTE Z221 NEC 525 Samsung SGH-X660 BlackBerry Pearl 3G 9100 / 9105 Samsung SCH-R410
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Phone ZTE Z221 NEC 525 Samsung SGH-X660 BlackBerry Pearl 3G 9100 / 9105 Samsung SCH-R410

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