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Phone Samsung M520 Alcatel Dawn Palm Treo 650 (GSM) Samsung SCH-R211
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
4.5" diag.
16 : 9
? 1.5" diag.
1 : 1
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
(~121 ppi)
LCD (STN)
Display Refresh ? 60 Hz ? ?
Battery ? 1,780 mAh ? 800 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 312 MHz Intel XScale PXA270 ?
RAM ? 1 GB ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 5 megapixel Yes -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 720p HD CIF (352 x 288) -
Front Camera - Yes - -
Weight 2.75 oz
(78g)
5.08 oz
(144g)
6.3 oz
(179g)
2.73 oz
(77g)
Dimensions 4.01" x 2.04" x 0.5"
(102 x 52 x 12.7 mm)
5.2" x 2.56" x 0.4"
(132 x 65 x 10.1 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
Form Factor Slide Slab Slab Slab
Platform / OS (proprietary) Android Palm OS (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology EVDO r0 LTE (Cat 4) EDGE 1xRTT
Features 
GPS / Location Yes n/a n/a Yes
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - - Yes -
USB Yes Yes
Micro-USB
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client - n/a n/a -
MMS - n/a n/a -
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - -
Music Player Yes n/a n/a -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a -
Voice Memo Yes n/a n/a -
Software
BREW - n/a n/a Yes
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a -
Voice
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung M520 Alcatel Dawn Palm Treo 650 (GSM) Samsung SCH-R211
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Phone Samsung M520 Alcatel Dawn Palm Treo 650 (GSM) Samsung SCH-R211

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