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Phone Samsung SGH-X820 Samsung Galaxy S6 edge+ (CDMA) LG Invision Palm Treo 650 (GSM) T-Mobile REVVL 4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.7" diag.
16 : 9
2.2" diag.
4 : 3
? 6.2" diag.
19 : 9
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
320 x 240 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
720 x 1520 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 650 mAh 3,000 mAh 900 mAh ? 3,500 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 ? 312 MHz Intel XScale PXA270 2 GHz MediaTek Helio A22 (MT6761)
RAM ? 4 GB ? ? 2 GB
Storage ? raw hardware 32 GB * ? raw hardware ? raw hardware 32 GB
Main Camera 2 megapixel 16 megapixel 1 megapixel Yes 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD QVGA (320 x 240) CIF (352 x 288) 1080p HD
Front Camera - 5 megapixel - - 5 megapixel
Weight 2.33 oz
(66g)
5.4 oz
(153g)
2.85 oz
(81g)
6.3 oz
(179g)
5.59 oz
(158g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
6.08" x 2.98" x 0.27"
(154 x 76 x 6.9 mm)
4.05" x 2.08" x 0.47"
(103 x 53 x 11.9 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
6.26" x 2.99" x 0.32"
(159 x 76 x 8.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Palm OS Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EDGE LTE (Cat 6) HSDPA 3.6 EDGE LTE (Cat 6)
Features 
Fingerprint Reader - Yes - - Yes
stand-alone
Flashlight - Yes - - Yes
VR-ready - Yes - - -
Accessibility
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - Yes Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
MirrorLink - Yes - - -
NFC - Yes - - -
USB Yes Yes
Micro-USB
Yes Yes Yes
USB Type C
Wi-Fi - 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 n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a Yes n/a n/a
Data & Network
Data Tethering - n/a - n/a n/a
External Antenna Jack Yes n/a - n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client Yes n/a Yes n/a n/a
EMS / Picture Messaging Yes n/a - n/a n/a
Instant Messaging - n/a Yes n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a Yes n/a n/a
Photo & Video
DLNA - Yes - - -
TV Output Yes Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a - n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) - n/a - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X820 Samsung Galaxy S6 edge+ (CDMA) LG Invision Palm Treo 650 (GSM) T-Mobile REVVL 4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 Samsung Galaxy S6 edge+ (CDMA) LG Invision Palm Treo 650 (GSM) T-Mobile REVVL 4

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