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Phone Boost Summit Flip / Consumer Cellular Iris Easy Flip Samsung SGH-X640 Cricket Debut S2 / AT&T Calypso 4 Motorola v66
Current U.S. Carriers Boost
Consumer Cellular
(none) AT&T (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag. ? 6.1" diag.
19.5 : 9
?
Display Resolution & Type ? 128 x 160 pixels
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
?
Display Refresh 60 Hz ? 60 Hz ?
Battery 2,000 mAh 800 mAh 3,000 mAh ?
Processor 1.5 GHz MediaTek MT6739 ? 2 GHz MediaTek Helio A22 (MT6761WB) ?
RAM ? ? 3 GB ?
Storage 8 GB ? raw hardware 64 GB ? raw hardware
Main Camera 5 megapixel Yes 8 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - ? -
Front Camera - - 5 megapixel -
Weight 5.47 oz
(155g)
3 oz
(85g)
5.64 oz
(160g)
2.79 oz
(79g)
Dimensions 4.34" x 2.24" x 0.79"
(110 x 57 x 20.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
3.31" x 1.73" x 0.83"
(84 x 44 x 21.1 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS LTE (Cat 4) GPRS
Features 
Flashlight - - Yes -
GPS / Location Yes - n/a -
Accessibility
Adjustable Text Size Yes - n/a -
Hearing Aid Compatible Yes - Yes -
Multiple Languages Yes Yes n/a -
TTY/TDD (Digital) Yes - - -
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes - Yes -
Mobile Hotspot Yes - n/a -
USB Yes
USB Type C
- Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a -
Ringer ID - Yes n/a -
Voice Dialing - - n/a Yes
Customization
Custom Graphics Yes Yes n/a -
Custom Ringtones Yes Yes n/a -
Real-Music Ringers Yes - n/a -
Data & Network
Data Tethering Yes - n/a Yes
WAP / Web Browser - Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes -
Memory
Memory Card Slot Yes - Yes -
Messaging
EMS / Picture Messaging - Yes n/a -
MMS Yes Yes n/a -
Text Messaging Templates - Yes n/a -
Music
Headphone Jack (3.5mm) Yes - Yes -
Music Player Yes - n/a -
Power
Fast Charging - - Yes -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - Yes n/a -
Voice Memo - Yes n/a Yes
Software
Games - Yes n/a Yes
Java (J2ME) - Yes n/a -
Voice
HD Voice Yes - Yes -
Headset Jack (2.5 mm) - Yes n/a Yes
Speaker Phone Yes Yes Yes -
  Boost Summit Flip / Consumer Cellular Iris Easy Flip Samsung SGH-X640 Cricket Debut S2 / AT&T Calypso 4 Motorola v66
  X > < X > < X > < X

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

 
Phone Boost Summit Flip / Consumer Cellular Iris Easy Flip Samsung SGH-X640 Cricket Debut S2 / AT&T Calypso 4 Motorola v66

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