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Phone Motorola EM330 / EM28 Motorola Moto Z2 Force ZTE Prelude / Avail 2 Samsung SGH-X400 Samsung SGH-A157
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
5.5" diag.
16 : 9
3.5" diag.
5 : 3
? 1.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 940 mAh 2,730 mAh 1,500 mAh 620 mAh 800 mAh
Processor ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 1 GHz Qualcomm Snapdragon MSM7225A ? ?
RAM ? 4 GB 512 MB ? ?
Storage ? raw hardware 64 GB 4 GB ? raw hardware 256 MB
Main Camera 1 megapixel 12 megapixel 2 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD VGA (640 x 480) - -
Front Camera - 5 megapixel - - -
Weight 3.17 oz
(90g)
5.04 oz
(143g)
4.4 oz
(125g)
3.17 oz
(90g)
2.99 oz
(85g)
Dimensions 3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
4.6" x 2.44" x 0.45"
(117 x 62 x 11.4 mm)
3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
Form Factor Clamshell Slab Slab Clamshell Clamshell
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EDGE LTE (Cat 16) HSPA 7.2 GPRS ?
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location - n/a n/a - Yes
VR-ready - Yes - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a - Yes
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes - -
Infrared (IR) - - - Yes -
NFC - Yes - - -
USB Yes
Mini-USB
Yes
USB Type C
Yes - Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID - n/a n/a Yes Yes
Ringer ID - n/a n/a Yes Yes
Voice Dialing - n/a n/a - -
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a - Yes
Data & Network
Dual-SIM - 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 -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client - n/a n/a - -
EMS / Picture Messaging Yes n/a n/a Yes -
Instant Messaging - n/a n/a - -
MMS Yes n/a n/a - Yes
Text Messaging Templates Yes n/a n/a Yes Yes
Music
FM Radio Yes - - Yes -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player Yes n/a n/a - -
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 Yes
Voice Memo - n/a n/a - Yes
Software
Games Yes n/a n/a Yes -
Java (J2ME) Yes n/a n/a Yes -
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - n/a n/a Yes -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Motorola EM330 / EM28 Motorola Moto Z2 Force ZTE Prelude / Avail 2 Samsung SGH-X400 Samsung SGH-A157
  X > < X > < X > < X > < X

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

 
Phone Motorola EM330 / EM28 Motorola Moto Z2 Force ZTE Prelude / Avail 2 Samsung SGH-X400 Samsung SGH-A157

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