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Phone Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force Alcatel Pop Star HTC Droid Eris
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.1" diag.
5 : 3
? 5.5" diag.
16 : 9
4" diag.
5 : 3
3.2" diag.
5 : 3
Display Resolution & Type 320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz 60 Hz
Battery 1,400 mAh 800 mAh 2,730 mAh 2,000 mAh 1,300 mAh
Processor 528 MHz Qualcomm MSM7201a ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 528 MHz MSM7600
RAM ? ? 4 GB 1 GB ?
Storage ? raw hardware ? raw hardware 64 GB 4 GB ? raw hardware
Main Camera 5 megapixel Yes 12 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture CIF (352 x 288) - 4K UHD 1080p HD CIF (352 x 288)
Front Camera - - 5 megapixel Yes -
Weight 4.7 oz
(133g)
3 oz
(85g)
5.04 oz
(143g)
4.6 oz
(130g)
4.43 oz
(126g)
Dimensions 4.25" x 2.09" x 0.6"
(108 x 53 x 15.3 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android Android Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 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

*

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA 7.2 GPRS LTE (Cat 16) LTE (Cat 3) EVDO rA
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes Yes -
GPS / Location n/a - n/a n/a n/a
VR-ready - - Yes - -
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC - - Yes - -
USB Yes
Micro-USB
- Yes
USB Type C
Yes
Micro-USB
Yes
Mini-USB
Wi-Fi Yes
802.11 b,g
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Dual-SIM - - Yes * - -
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a - n/a n/a n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force Alcatel Pop Star HTC Droid Eris
  X > < X > < X > < X > < X

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

 
Phone Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force Alcatel Pop Star HTC Droid Eris

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