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Phone Palm Treo 600 (CDMA) Ericsson T66 Nokia Lumia 521 / 520 BlackBerry 8820 Samsung PM-A840
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
5 : 3
? ?
Display Resolution & Type 160 x 160 pixels
LCD (Color)
? 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? ? 1,430 mAh 1,400 mAh ?
Processor ? ? 1 GHz Qualcomm Snapdragon S4 MSM8270 ? ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera Yes - 5 megapixel - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD - -
Front Camera - - - - -
Weight 6.2 oz
(176g)
2.08 oz
(59g)
4.39 oz
(124g)
4.73 oz
(134g)
3.28 oz
(93g)
Dimensions 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)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS Palm OS (proprietary) Windows BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT - HSPA+ 21 EDGE 1xRTT
Features 
GPS / Location n/a - n/a n/a Yes
Accessibility
Hearing Aid Compatible - - Yes
M3, T4 (very tele-coil compatible)
- Yes
M3 (mostly compatible)
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - - Yes Yes -
Infrared (IR) Yes - - - -
Mobile Hotspot n/a - n/a n/a -
USB Yes - Yes Yes
Mini-USB
-
Wi-Fi - - Yes Yes -
Contacts
Picture ID n/a - n/a n/a Yes
Ringer ID n/a - n/a n/a Yes
Voice Dialing n/a - n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a - n/a n/a -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen Yes - Yes
Capacitive
- -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client n/a - n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a - n/a n/a -
MMS n/a - n/a n/a -
Text Messaging Templates n/a Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player n/a - n/a n/a -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a Yes n/a n/a Yes
Voice Memo n/a - n/a n/a Yes
Software
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a - n/a n/a Yes
Voice
Headset Jack (2.5 mm) n/a - n/a n/a Yes
Push-To-Talk - - - Yes * -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Palm Treo 600 (CDMA) Ericsson T66 Nokia Lumia 521 / 520 BlackBerry 8820 Samsung PM-A840
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Palm Treo 600 (CDMA) Ericsson T66 Nokia Lumia 521 / 520 BlackBerry 8820 Samsung PM-A840

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