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Phone Ericsson R520 Samsung SPH-I300 HTC Bolt Samsung Rugby A837 Samsung SCH-A570
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.5" diag.
16 : 9
2" diag.
4 : 3
?
Display Resolution & Type ? 160 x 240 pixels
LCD (Color)
1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery ? ? 3,200 mAh 1,000 mAh ?
Processor ? ? 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? ?
RAM ? ? 3 GB ? ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera - - 16 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD QCIF (176 x 144) -
Front Camera - - 8 megapixel - -
Weight 4.23 oz
(120g)
6 oz
(170g)
6.14 oz
(174g)
4.66 oz
(132g)
3.6 oz
(102g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.9" x 2.28" x 0.82"
(124 x 58 x 20.8 mm)
6.05" x 3.04" x 0.32"
(154 x 77 x 8.1 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS (proprietary) Palm OS Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS - LTE (Cat 9) HSDPA 3.6 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - n/a n/a Yes Yes
Ruggedized - - - Yes -
Water-Resistant - - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - Yes - Yes Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes - Yes Yes -
Infrared (IR) Yes Yes - - -
NFC - - Yes - -
USB - - Yes
USB Type C
Yes -
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID - n/a n/a Yes -
Ringer ID - n/a n/a Yes -
Voice Dialing Yes n/a n/a - Yes
Customization
Custom Graphics - n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a Yes -
Data & Network
Data Tethering Yes n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a n/a Yes -
EMS / Picture Messaging - n/a n/a - Yes
Instant Messaging - n/a n/a Yes -
MMS - n/a n/a Yes -
Text Messaging Templates Yes n/a n/a Yes Yes
Music
Music Player - n/a n/a Yes -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List - n/a n/a - Yes
Voice Memo Yes n/a n/a Yes Yes
Software
BREW - n/a n/a - Yes
Games Yes n/a n/a Yes Yes
Java (J2ME) - n/a n/a Yes -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - n/a n/a - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  Ericsson R520 Samsung SPH-I300 HTC Bolt Samsung Rugby A837 Samsung SCH-A570
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Samsung SPH-I300 HTC Bolt Samsung Rugby A837 Samsung SCH-A570

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