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Phone Siemens CX75 Coolpad Defiant Palm Treo 600 (CDMA) Nokia Lumia 521 / 520 Nokia 3650
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
? 4" diag.
5 : 3
?
Display Resolution & Type 132 x 176 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 750 mAh 2,450 mAh ? 1,430 mAh 850 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 1 GHz Qualcomm Snapdragon S4 MSM8270 ?
RAM ? 1 GB ? 512 MB ?
Storage ? raw hardware 8 GB ? raw hardware 8 GB ? raw hardware
Main Camera 1 megapixel 5 megapixel Yes 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD - 720p HD ?
Front Camera - 2 megapixel - - -
Weight 3.46 oz
(98g)
6.5 oz
(184g)
6.2 oz
(176g)
4.39 oz
(124g)
4.59 oz
(130g)
Dimensions 4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.1" x 2.24" x 1"
(130 x 57 x 25.4 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android Palm OS Windows S60 (Symbian)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology GPRS LTE (Cat 4) 1xRTT HSPA+ 21 GPRS
Features 
Flashlight - Yes - - -
GPS / Location - n/a n/a n/a n/a
Accessibility
Hearing Aid Compatible - Yes - Yes -
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) Yes - Yes - Yes
Mobile Hotspot - n/a n/a n/a n/a
USB Yes Yes
Micro-USB
Yes Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes -
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates - n/a n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes n/a n/a n/a n/a
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Siemens CX75 Coolpad Defiant Palm Treo 600 (CDMA) Nokia Lumia 521 / 520 Nokia 3650
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CX75 Coolpad Defiant Palm Treo 600 (CDMA) Nokia Lumia 521 / 520 Nokia 3650

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