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Phone Alcatel Go Flip / MyFlip LG Stylo 4 Samsung SGH-X640 T-Mobile REVVL V Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.2" diag.
18 : 9
? 6.5" diag.
20 : 9
4.7" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 1,350 mAh 3,300 mAh 800 mAh 4,000 mAh 2,400 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.8 GHz Qualcomm Snapdragon 450 ? 2 GHz MediaTek Helio G25 (MT6762V) 2.2 GHz Qualcomm Snapdragon 800
RAM 512 MB 2 GB * ? 3 GB 2 GB
Storage 4 GB 32 GB * ? raw hardware 32 GB 32 GB *
Main Camera 2 megapixel 13 megapixel Yes 13 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD - 1080p HD 1080p HD
Front Camera - 5 megapixel - 5 megapixel 2 megapixel
Weight 4.1 oz
(116g)
6.07 oz
(172g)
3 oz
(85g)
6.45 oz
(183g)
5.64 oz
(160g)
Dimensions 4.13" x 2.08" x 0.74"
(105 x 53 x 18.7 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.57" x 3.01" x 0.34"
(167 x 76 x 8.6 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 6) GPRS LTE (Cat 6) LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
-
Flashlight - Yes - Yes Yes
GPS / Location Yes n/a - n/a Yes
Accessibility
Adjustable Text Size Yes n/a - n/a -
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot Yes n/a - n/a Yes
NFC - Yes * - - Yes
USB Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a - n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a -
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a - n/a -
Data & Network
Data Tethering - n/a - n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client Yes n/a - n/a Yes
EMS / Picture Messaging - n/a Yes n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates - n/a Yes n/a Yes
Music
FM Radio Yes Yes - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player Yes n/a - n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA - Yes - - -
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a Yes n/a -
Voice Memo - n/a Yes n/a Yes
Software
Games - n/a Yes n/a Yes
Java (J2ME) - n/a Yes n/a -
Voice
HD Voice Yes Yes - Yes Yes
Headset Jack (2.5 mm) - n/a Yes n/a -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Alcatel Go Flip / MyFlip LG Stylo 4 Samsung SGH-X640 T-Mobile REVVL V Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Alcatel Go Flip / MyFlip LG Stylo 4 Samsung SGH-X640 T-Mobile REVVL V Amazon Fire

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