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Phone Motorola Charm Samsung SPH-A250 Ericsson T28 World Kyocera 2135 Motorola Moto X4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
? ? ? 5.2" diag.
16 : 9
Display Resolution & Type 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
? ? ? 1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 1,170 mAh ? 500 mAh 925 mAh 3,000 mAh
Processor 720 MHz TI OMAP3410 ? ? ? 2.2 GHz Qualcomm Snapdragon 630
RAM ? ? ? ? 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera 3 megapixel - - - 12 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture ? - - - 4K UHD
Front Camera - - - - 16 megapixel
Weight 3.88 oz
(110g)
2.82 oz
(80g)
3.14 oz
(89g)
4.7 oz
(133g)
5.75 oz
(163g)
Dimensions 3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
2.76" x 1.91" x 0.83"
(70 x 49 x 21.1 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
5.84" x 2.89" x 0.31"
(148 x 73 x 8 mm)
Form Factor Slab Clamshell Flip Slab Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) Android
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

CDMA: 1900

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

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

Data Technology HSDPA 3.6 - - - LTE (Cat 11)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location n/a - - - n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages n/a - - Yes n/a
TTY/TDD (Digital) Yes - - - Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- - - Yes
Classic Audio
NFC - - - - Yes
USB Yes
Micro-USB
- - - Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a - - - n/a
Ringer ID n/a - - - n/a
Voice Dialing n/a Yes Yes - n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a - - - n/a
Custom Ringtones n/a - Yes Yes n/a
Real-Music Ringers n/a - - - n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes - Yes n/a
Input
Predictive Text Entry n/a Yes - Yes n/a
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - - - n/a
Instant Messaging n/a - - - n/a
MMS n/a - - - n/a
Text Messaging Templates n/a - - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - - n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes - - n/a
To-Do List n/a Yes - - n/a
Software
Games n/a - Yes Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes - Yes n/a
Speaker Phone Yes - - - Yes
  Motorola Charm Samsung SPH-A250 Ericsson T28 World Kyocera 2135 Motorola Moto X4
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Phone Motorola Charm Samsung SPH-A250 Ericsson T28 World Kyocera 2135 Motorola Moto X4

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