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Phone Samsung M220 HTC G2 Siemens SL55 Palm Treo Pro (GSM) Audiovox CDM-8150X
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.5" diag.
4 : 3
3.7" diag.
5 : 3
? ? ?
Display Resolution & Type 128 x 160 pixels
(~137 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
320 x 320 pixels
LCD (TFT/TFD)
?
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 1,300 mAh 500 mAh 1,500 mAh ?
Processor ? 800 MHz Qualcomm S2 MSM7230 ? 400 MHz MSM7201 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 5 megapixel - 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD - ? -
Front Camera - - - - -
Weight 3.1 oz
(88g)
6.5 oz
(184g)
2.79 oz
(79g)
4.69 oz
(133g)
3.88 oz
(110g)
Dimensions 3.5" x 1.9" x 0.8"
(89 x 48 x 20.3 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
4.88" x 1.89" x 0.71"
(124 x 48 x 18 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) Android (proprietary) Windows Mobile Professional (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT HSPA 14.4 GPRS HSDPA 3.6 1xRTT
Features 
GPS / Location Yes n/a - n/a -
Accessibility
Hearing Aid Compatible Yes Yes - - -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes - - - -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
-
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a - n/a -
USB Yes
Micro-USB
Yes - Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a Yes n/a -
Ringer ID Yes n/a Yes n/a -
Voice Dialing Yes n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a -
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a - n/a -
Data & Network
Data Tethering Yes n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - Yes - Yes -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging - n/a Yes n/a -
Instant Messaging - n/a - n/a -
MMS - n/a Yes n/a -
Text Messaging Templates Yes n/a Yes n/a -
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - n/a -
Productivity
Alarm Yes n/a Yes n/a -
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
Games Yes n/a Yes n/a -
Java (J2ME) Yes n/a Yes n/a -
Voice
Headset Jack (2.5 mm) Yes n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes -
  Samsung M220 HTC G2 Siemens SL55 Palm Treo Pro (GSM) Audiovox CDM-8150X
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Phone Samsung M220 HTC G2 Siemens SL55 Palm Treo Pro (GSM) Audiovox CDM-8150X

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