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Phone Nokia Lumia 635 (CDMA) Palm Treo 600 (CDMA) Ericsson T66 Coolpad Quattro 4G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? 4" diag.
5 : 3
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
? 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,830 mAh ? ? 1,600 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ? ?
RAM 512 MB ? ? ?
Storage 8 GB ? raw hardware ? raw hardware 512 MB
Main Camera 5 megapixel Yes - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD - - VGA (640 x 480)
Front Camera - - - Yes
Weight 4.73 oz
(134g)
6.2 oz
(176g)
2.08 oz
(59g)
3.31 oz
(94g)
Dimensions 5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Windows Palm OS (proprietary) Android
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

Data Technology LTE (Cat 3) 1xRTT - LTE (Cat 3)
Features 
GPS / Location n/a n/a - n/a
Accessibility
Hearing Aid Compatible Yes - - Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - - Yes
Infrared (IR) - Yes - -
Mobile Hotspot n/a n/a - n/a
USB Yes
Micro-USB
Yes - Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
Contacts
Picture ID n/a n/a - n/a
Ringer ID n/a n/a - n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a - n/a
Data & Network
Data Tethering n/a n/a - n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a n/a - n/a
EMS / Picture Messaging n/a n/a Yes n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a - n/a
Text Messaging Templates n/a n/a Yes n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a n/a - n/a
Photo & Video
DLNA Yes - - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a - n/a
Software
Games n/a n/a Yes n/a
Voice
Headset Jack (2.5 mm) n/a n/a - n/a
Speaker Phone Yes Yes - Yes
  * Some versions only
  Nokia Lumia 635 (CDMA) Palm Treo 600 (CDMA) Ericsson T66 Coolpad Quattro 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 635 (CDMA) Palm Treo 600 (CDMA) Ericsson T66 Coolpad Quattro 4G

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