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Phone Ericsson R520 Kyocera 2135 Samsung Jack i637 Nokia 6650 fold Siemens CX75
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? 2.4" diag.
4 : 3
2.2" diag.
4 : 3
?
Display Resolution & Type ? ? 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? 925 mAh 1,480 mAh 1,500 mAh 750 mAh
Processor ? ? ? 369 MHz ARM 11 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 3 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? QVGA (320 x 240) ?
Front Camera - - - - -
Weight 4.23 oz
(120g)
4.7 oz
(133g)
3.6 oz
(102g)
3.95 oz
(112g)
3.46 oz
(98g)
Dimensions 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)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
3.93" x 1.86" x 0.64"
(100 x 47 x 16.2 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Windows Mobile Standard S60 (Symbian) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology GPRS - HSDPA 3.6 HSDPA 3.6 GPRS
Features 
GPS / Location - - n/a n/a -
Accessibility
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - Yes Yes Yes
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - - Yes
USB - - Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID - - n/a n/a Yes
Ringer ID - - n/a n/a Yes
Voice Dialing Yes - n/a n/a -
Customization
Changeable Body Plates - Yes - - -
Custom Graphics - - n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - - n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - n/a n/a Yes
EMS / Picture Messaging - - n/a n/a Yes
Instant Messaging - - n/a n/a -
MMS - - n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a -
Music
Music Player - - n/a n/a Yes
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes - n/a n/a Yes
To-Do List - - n/a n/a Yes
Voice Memo Yes - n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) - - n/a n/a Yes
Voice
Headset Jack (2.5 mm) - Yes n/a n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes - Yes Yes Yes
  Ericsson R520 Kyocera 2135 Samsung Jack i637 Nokia 6650 fold Siemens CX75
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Phone Ericsson R520 Kyocera 2135 Samsung Jack i637 Nokia 6650 fold Siemens CX75

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