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Phone Samsung SGH-D520 Red Hydrogen One LG Premier Pro LTE Palm Treo Pro (GSM) Motorola ROKR Z6
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.7" diag.
16 : 9
5.3" diag.
16 : 9
? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 800 mAh 4,510 mAh 2,880 mAh 1,500 mAh 750 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 400 MHz MSM7201 ?
RAM ? 6 GB 2 GB ? ?
Storage ? raw hardware 128 GB * 16 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 12 megapixel 8 megapixel 2 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture CIF (352 x 288) 4K UHD 1080p HD ? ?
Front Camera - 8 megapixel 5 megapixel - -
Weight 3.32 oz
(94g)
9.63 oz
(273g)
5.93 oz
(168g)
4.69 oz
(133g)
4.06 oz
(115g)
Dimensions 3.98" x 1.81" x 0.63"
(101 x 46 x 16 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
5.85" x 2.96" x 0.34"
(149 x 75 x 8.6 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
4.15" x 1.79" x 0.63"
(105 x 45 x 16 mm)
Form Factor Slide Slab Slab Slab Slide
Platform / OS (proprietary) Android Android Windows Mobile Professional (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 66

WCDMA: 2, 4, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 12) LTE (Cat 4) HSDPA 3.6 EDGE
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - -
GPS / Location - n/a n/a n/a -
Accessibility
Hearing Aid Compatible - Yes Yes - -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - Yes - - -
USB - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a Yes
External Antenna Jack Yes n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a Yes
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a Yes
Stereo Speakers - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-D520 Red Hydrogen One LG Premier Pro LTE Palm Treo Pro (GSM) Motorola ROKR Z6
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-D520 Red Hydrogen One LG Premier Pro LTE Palm Treo Pro (GSM) Motorola ROKR Z6

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