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Phone Samsung SGH-A157 Samsung SPH-S100 Ericsson R520 Kyocera 2135 Siemens CX75
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Not yet 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 ? ? 925 mAh 750 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)
4.7 oz
(133g)
3.46 oz
(98g)
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)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 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

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

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 Kyocera 2135 Siemens CX75
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Phone Samsung SGH-A157 Samsung SPH-S100 Ericsson R520 Kyocera 2135 Siemens CX75

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