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Phone Kyocera KX12 Ericsson R278d Motorola Krave ZN4 TCL A30 / A3
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
5 : 3
5.5" diag.
18 : 9
Display Resolution & Type 128 x 128 pixels
LCD (STN)
101 x 40 pixels 240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,800 mAh ? 950 mAh 3,000 mAh
Processor ? ? ? 2 GHz MediaTek Helio P22 (MT6762V)
RAM ? ? ? 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera - - 2 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QVGA (320 x 240) 1080p HD
Front Camera - - - 5 megapixel
Weight 4.62 oz
(131g)
9.28 oz
(263g)
4.52 oz
(128g)
6.03 oz
(171g)
Dimensions 4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
5.74" x 2.8" x 0.39"
(146 x 71 x 9.9 mm)
Form Factor Slab Slab Flip Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT - EVDO r0 LTE (Cat 4)
Features 
Flashlight Yes - - Yes
GPS / Location Yes - Yes n/a
Ruggedized Yes - - -
Water-Resistant - - - Yes
IPX2 (drip)
Accessibility
Hearing Aid Compatible - - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth - - Yes Yes
USB - - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes - Yes n/a
Ringer ID Yes - Yes n/a
Voice Dialing Yes - Yes n/a
Customization
Custom Graphics Yes - Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers - - Yes n/a
Data & Network
Data Tethering Yes Yes Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - Yes n/a
EMS / Picture Messaging Yes - Yes n/a
Instant Messaging - - Yes n/a
MMS - - Yes n/a
Text Messaging Templates Yes - Yes n/a
Music
Headphone Jack (3.5mm) - - Yes Yes
Music Player - - Yes n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes - Yes n/a
Calendar Yes - Yes n/a
Voice Memo Yes - Yes n/a
Software
BREW Yes * - Yes n/a
Games Yes - Yes n/a
Voice
HD Voice - - - Yes
Headset Jack (2.5 mm) Yes - - n/a
Push-To-Talk Yes - - -
Speaker Phone Yes - Yes Yes
  * Some versions only
  Kyocera KX12 Ericsson R278d Motorola Krave ZN4 TCL A30 / A3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera KX12 Ericsson R278d Motorola Krave ZN4 TCL A30 / A3

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