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Phone Kyocera Echo Ericsson T66 Kyocera 2135 Ericsson R520 Motorola Sidekick Slide
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? ? ? ?
Display Resolution & Type 480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
? ? ? 320 x 240 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,370 mAh ? 925 mAh ? ?
Processor 1 GHz Qualcomm Snapdragon S1 QSD8650 ? ? ? 225 MHz TI OMAP 850
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel - - - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - - - -
Front Camera - - - - -
Weight 6.8 oz
(193g)
2.08 oz
(59g)
4.7 oz
(133g)
4.23 oz
(120g)
5.3 oz
(150g)
Dimensions 4.53" x 2.22" x 0.68"
(115 x 56 x 17.2 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
Form Factor Slab Slab Slab Slab Slide
Platform / OS Android (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA - - GPRS EDGE
Features 
GPS / Location n/a - - - -
Accessibility
Adjustable Text Size n/a - - - Yes
Hearing Aid Compatible Yes - - - -
Multiple Languages n/a Yes Yes Yes -
TTY/TDD (Digital) Yes - - - -
Alerts
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
- - Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot n/a - - - -
USB Yes - - - Yes
Wi-Fi Yes
802.11 b,g
- - - -
Contacts
Picture ID n/a - - - Yes
Ringer ID n/a - - - Yes
Voice Dialing n/a - - Yes -
Customization
Changeable Body Plates - - Yes - -
Custom Graphics n/a Yes - - Yes
Custom Ringtones n/a Yes Yes Yes Yes
Real-Music Ringers n/a - - - Yes
Data & Network
Data Tethering n/a - Yes Yes -
WAP / Web Browser n/a Yes Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes -
Side Keys Yes Yes - Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes - - - -
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - - - Yes
EMS / Picture Messaging n/a Yes - - -
Instant Messaging n/a - - - Yes
MMS n/a - - - Yes
Text Messaging Templates n/a Yes Yes Yes -
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - - - Yes
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes -
Calendar n/a Yes - Yes Yes
To-Do List n/a Yes - - Yes
Voice Memo n/a - - Yes -
Software
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - - - Yes
Voice
Headset Jack (2.5 mm) n/a - Yes - Yes
Speaker Phone Yes - - Yes Yes
  Kyocera Echo Ericsson T66 Kyocera 2135 Ericsson R520 Motorola Sidekick Slide
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera Echo Ericsson T66 Kyocera 2135 Ericsson R520 Motorola Sidekick Slide

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