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Phone Samsung M400 Ericsson R520 Kyocera 3225 ZTE Groove Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? ? 3.2" diag.
5 : 3
4.7" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
? ?
LCD (Grayscale)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh ? ? 1,500 mAh 2,400 mAh
Processor 400 MHz Qualcomm QSC6155 ? ? 800 MHz Qualcomm MSM7627A 2.2 GHz Qualcomm Snapdragon 800
RAM 128 MB ? ? 512 MB 2 GB
Storage 256 MB ? raw hardware ? raw hardware 1 GB 32 GB *
Main Camera 1 megapixel - - 3 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - 720p HD 1080p HD
Front Camera - - - Yes 2 megapixel
Weight 3.7 oz
(105g)
4.23 oz
(120g)
4.23 oz
(120g)
4.5 oz
(128g)
5.64 oz
(160g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 800, 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT GPRS 1xRTT EVDO rA LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location Yes - Yes n/a Yes
Accessibility
Adjustable Text Size Yes - - n/a -
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - - - n/a Yes
NFC - - - - Yes
USB Yes
Micro-USB
- - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes - - n/a Yes
Ringer ID Yes - - n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics Yes - Yes n/a -
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - - n/a -
Data & Network
Data Tethering - Yes Yes n/a Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes - Yes Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - - - n/a Yes
EMS / Picture Messaging - - Yes n/a -
Instant Messaging - - - n/a -
MMS Yes - - n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player - - - n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - - - Yes
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
Voice Memo Yes Yes - n/a Yes
Software
BREW - - Yes n/a -
Games Yes Yes Yes n/a Yes
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - - Yes n/a -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung M400 Ericsson R520 Kyocera 3225 ZTE Groove Amazon Fire
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Phone Samsung M400 Ericsson R520 Kyocera 3225 ZTE Groove Amazon Fire

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