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Phone LG Optimus M / Optimus C Ericsson R520 Sanyo SCP-3810 / Mirro BlackBerry 7750 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
? 2.4" diag.
4 : 3
? 4.7" diag.
16 : 9
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,500 mAh ? 1,000 mAh ? 2,400 mAh
Processor 600 MHz Qualcomm S1 MSM7627 ? ? ? 2.2 GHz Qualcomm Snapdragon 800
RAM ? ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 32 GB *
Main Camera 3 megapixel - 1 megapixel - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture VGA (640 x 480) - - - 1080p HD
Front Camera - - - - 2 megapixel
Weight 5.39 oz
(153g)
4.23 oz
(120g)
3.97 oz
(112g)
5.01 oz
(142g)
5.64 oz
(160g)
Dimensions 4.57" x 2.22" x 0.62"
(116 x 56 x 15.7 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS 1xRTT 1xRTT LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location n/a - Yes n/a Yes
Accessibility
Adjustable Text Size n/a - Yes n/a -
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - Yes - - -
Mobile Hotspot n/a - - n/a Yes
NFC - - - - Yes
USB Yes
Micro-USB
- Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a - Yes n/a Yes
Ringer ID n/a - Yes n/a Yes
Voice Dialing n/a Yes Yes n/a Yes
Customization
Custom Graphics n/a - Yes n/a -
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a -
Data & Network
Data Tethering n/a Yes Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a - Yes n/a Yes
Instant Messaging n/a - Yes n/a -
MMS n/a - - n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - - - Yes
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a - Yes n/a -
Voice Memo n/a Yes Yes n/a Yes
Software
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a - Yes n/a -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a - Yes n/a -
Speaker Phone Yes Yes Yes - Yes
  LG Optimus M / Optimus C Ericsson R520 Sanyo SCP-3810 / Mirro BlackBerry 7750 Amazon Fire
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Optimus M / Optimus C Ericsson R520 Sanyo SCP-3810 / Mirro BlackBerry 7750 Amazon Fire

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