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Phone Samsung SGH-X640 Samsung Convoy 3 Nokia 6310i Ericsson T39 Boost Summit Flip / Consumer Cellular Iris Easy Flip
Current U.S. Carriers (none) (none) (none) (none) Boost
Consumer Cellular
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? ? 2.8" diag.
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
96 x 65 pixels ?
LCD (Grayscale)
?
Display Refresh ? ? ? ? 60 Hz
Battery 800 mAh 1,300 mAh ? ? 2,000 mAh
Processor ? 480 MHz Qualcomm QSC6185 ? ? 1.5 GHz MediaTek MT6739
RAM ? 256 MB ? ? ?
Storage ? raw hardware 512 MB ? raw hardware ? raw hardware 8 GB
Main Camera Yes 3 megapixel - - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) - - ?
Front Camera - - - - -
Weight 3 oz
(85g)
4.4 oz
(125g)
3.92 oz
(111g)
3.03 oz
(86g)
5.47 oz
(155g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.07" x 2.04" x 0.82"
(103 x 52 x 20.8 mm)
5.08" x 1.85" x 0.75"
(129 x 47 x 19.1 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.34" x 2.24" x 0.79"
(110 x 57 x 20.1 mm)
Form Factor Clamshell Clamshell Slab Flip Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

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

WCDMA: 2, 4, 5

GSM: 850, 1900

Data Technology GPRS EVDO rA GPRS GPRS LTE (Cat 4)
Features 
Flashlight - Yes - - -
GPS / Location - Yes Yes - Yes
Ruggedized - Yes - - -
Accessibility
Adjustable Text Size - Yes - - Yes
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) - Yes - - Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
HSP, DUN, OPP, Sync
Yes
Classic Audio
Infrared (IR) - - Yes Yes -
Mobile Hotspot - - - - Yes
USB - Yes - - Yes
USB Type C
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes - Yes
Ringer ID Yes Yes Yes - -
Voice Dialing - Yes Yes Yes -
Customization
Custom Graphics Yes Yes - Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - Yes - - Yes
Data & Network
Data Tethering - Yes Yes Yes Yes
WAP / Web Browser Yes Yes Yes Yes -
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - Yes - - -
EMS / Picture Messaging Yes - Yes - -
MMS Yes Yes - - Yes
Text Messaging Templates Yes Yes Yes Yes -
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - Yes - - Yes
Stereo Speakers - Yes - - -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List Yes - Yes - -
Voice Memo Yes Yes Yes Yes -
Software
BREW - Yes - - -
Games Yes Yes Yes Yes -
Java (J2ME) Yes - Yes - -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes - - - -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes - - Yes
  Samsung SGH-X640 Samsung Convoy 3 Nokia 6310i Ericsson T39 Boost Summit Flip / Consumer Cellular Iris Easy Flip
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Phone Samsung SGH-X640 Samsung Convoy 3 Nokia 6310i Ericsson T39 Boost Summit Flip / Consumer Cellular Iris Easy Flip

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