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Phone Samsung SGH-A157 Samsung SPH-S100 Ericsson R520 Siemens CX75 Kyocera 2135
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Not yet released Released
Specifications 
Display Size 1.8" diag.
4 : 3
? ? ? ?
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
? ? 132 x 176 pixels
LCD (TFT/TFD)
?
Display Refresh ? ? ? ? ?
Battery 800 mAh ? ? 750 mAh 925 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage 256 MB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? -
Front Camera - - - - -
Weight 2.99 oz
(85g)
? 4.23 oz
(120g)
3.46 oz
(98g)
4.7 oz
(133g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
? 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
Form Factor Clamshell Watch Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology ? - GPRS GPRS -
Features 
GPS / Location Yes - - - -
Accessibility
Adjustable Text Size Yes - - - -
Hearing Aid Compatible Yes - - - -
Multiple Languages Yes - Yes Yes Yes
TTY/TDD (Digital) Yes - - - -
Alerts
Ringer Profiles Yes - Yes Yes -
Connectivity
Bluetooth - - Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
-
Infrared (IR) - - Yes Yes -
USB Yes
Micro-USB
- - Yes -
Contacts
Picture ID Yes - - Yes -
Ringer ID Yes - - Yes -
Voice Dialing - - Yes - -
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes - - Yes -
Custom Ringtones Yes - Yes Yes Yes
Real-Music Ringers Yes - - - -
Data & Network
Data Tethering - - Yes Yes Yes
WAP / Web Browser Yes - Yes Yes Yes
Input
Predictive Text Entry Yes - Yes Yes Yes
Side Keys - - Yes Yes -
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - - - Yes -
EMS / Picture Messaging - - - Yes -
MMS Yes - - Yes -
Text Messaging Templates Yes - Yes - Yes
Music
Music Player - - - Yes -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes - Yes Yes Yes
Calendar Yes Yes Yes Yes -
To-Do List Yes Yes - Yes -
Voice Memo Yes - Yes Yes -
Software
Games - - Yes Yes Yes
Java (J2ME) - - - Yes -
Voice
Headset Jack (2.5 mm) - Yes - - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  Samsung SGH-A157 Samsung SPH-S100 Ericsson R520 Siemens CX75 Kyocera 2135
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Phone Samsung SGH-A157 Samsung SPH-S100 Ericsson R520 Siemens CX75 Kyocera 2135

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