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Phone Cal-Comp EZ LG LX-5550 / VX-5550 Samsung Jack i637 Cricket Ovation / AT&T Radiant Max Samsung Gloss SCH-U440
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.4" diag.
4 : 3
6.5" diag.
19.5 : 9
2.2" diag.
4 : 3
Display Resolution & Type 128 x 128 pixels
LCD (STN)
120 x 160 pixels
LCD (STN)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~264 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~128 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 950 mAh 1,480 mAh 4,000 mAh 800 mAh
Processor ? ? ? 2 GHz MediaTek Helio P22 (MT6762) ?
RAM ? ? ? 3 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera - - 3 megapixel 13 megapixel 1 megapixel
Wide Camera - - - 5 megapixel -
Tele Camera - - - - -
Video Capture - - ? 1080p HD -
Front Camera - - - 8 megapixel -
Weight 2.47 oz
(70g)
3.89 oz
(110g)
3.6 oz
(102g)
6.18 oz
(175g)
3.55 oz
(101g)
Dimensions 4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
3.52" x 1.9" x 0.94"
(89 x 48 x 23.9 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
6.71" x 3" x 0.35"
(170 x 76 x 8.9 mm)
2.55" x 2.94" x 0.82"
(65 x 75 x 20.8 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Windows Mobile Standard Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 29, 30, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT 1xRTT HSDPA 3.6 LTE (Cat 4) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes Yes n/a n/a Yes
Accessibility
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - - Yes Yes Yes
NFC - - - Yes -
USB Yes
Mini-USB
Yes Yes Yes
USB Type C
Yes
Wi-Fi - - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - - n/a n/a Yes
Ringer ID - Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics - Yes n/a n/a Yes
Custom Ringtones - Yes n/a n/a Yes
Real-Music Ringers - - n/a n/a Yes
Data & Network
Data Tethering - Yes n/a n/a -
WAP / Web Browser - Yes n/a n/a -
Input
Predictive Text Entry - Yes n/a n/a -
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - Yes n/a n/a -
Instant Messaging - - n/a n/a -
MMS - - n/a n/a Yes
Text Messaging Templates Yes - n/a n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - - n/a n/a Yes
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a -
Voice Memo Yes * Yes n/a n/a Yes
Software
BREW - Yes n/a n/a Yes
Games - Yes n/a n/a Yes
Java (J2ME) - - n/a n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a Yes
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Cal-Comp EZ LG LX-5550 / VX-5550 Samsung Jack i637 Cricket Ovation / AT&T Radiant Max Samsung Gloss SCH-U440
  X > < X > < X > < X > < X

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

 
Phone Cal-Comp EZ LG LX-5550 / VX-5550 Samsung Jack i637 Cricket Ovation / AT&T Radiant Max Samsung Gloss SCH-U440

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