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Phone Samsung SCH-A645 HTC G2 Samsung SCH-N330 ZTE Z222 / Z223 Huawei Pinnacle
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
? 2" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 1,000 mAh 1,300 mAh ? 900 mAh 900 mAh
Processor ? 800 MHz Qualcomm S2 MSM7230 ? QSC6270 Qualcomm QSC6055
RAM ? ? ? 64 MB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 MB ? raw hardware
Main Camera - 5 megapixel - Yes 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD - ? QCIF (176 x 144)
Front Camera - - - - -
Weight 3.2 oz
(91g)
6.5 oz
(184g)
3.9 oz
(111g)
3.24 oz
(92g)
3.53 oz
(100g)
Dimensions 3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.8" x 1.9" x 0.9"
(97 x 48 x 22.9 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.33" x 2.4" x 0.51"
(110 x 61 x 13 mm)
Form Factor Clamshell Slab Slide Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 1900

CDMA: 850, 1700, 1900

Data Technology 1xRTT HSPA 14.4 1xRTT HSDPA 3.6 1xRTT
Features 
GPS / Location Yes n/a Yes - Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes - Yes Yes
Mobile Hotspot - n/a - - -
USB - Yes - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID Yes n/a Yes Yes Yes
Ringer ID - n/a - Yes Yes
Voice Dialing Yes n/a Yes - -
Customization
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers - n/a - Yes -
Data & Network
WAP / Web Browser Yes * n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - Yes
Capacitive
- - -
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - n/a - Yes Yes
EMS / Picture Messaging Yes n/a Yes - -
Instant Messaging - n/a - - Yes
MMS - n/a - Yes Yes
Text Messaging Templates Yes n/a Yes Yes -
Music
FM Radio - - - Yes * -
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a - - Yes
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List Yes n/a Yes - -
Voice Memo Yes n/a Yes Yes Yes
Software
BREW Yes * n/a Yes - Yes
Games Yes * n/a Yes Yes Yes
Java (J2ME) - n/a - Yes -
Voice
Headset Jack (2.5 mm) Yes n/a Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A645 HTC G2 Samsung SCH-N330 ZTE Z222 / Z223 Huawei Pinnacle
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Phone Samsung SCH-A645 HTC G2 Samsung SCH-N330 ZTE Z222 / Z223 Huawei Pinnacle

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