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Phone Samsung Wafer R510 Palm Treo 650 (GSM) ZTE Concord II Samsung Galaxy J2 / J2 Pure / J2 Dash Ericsson R278d
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
? 4" diag.
5 : 3
5" diag.
16 : 9
?
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
101 x 40 pixels
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 800 mAh ? 1,820 mAh 2,600 mAh ?
Processor ? 312 MHz Intel XScale PXA270 1.2 GHz Qualcomm MSM8210 1.4 GHz Samsung Exynos 7570 ?
RAM ? ? 1 GB 2 GB ?
Storage ? raw hardware ? raw hardware 4 GB 16 GB ? raw hardware
Main Camera 1 megapixel Yes 5 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? CIF (352 x 288) 720p HD 1080p HD -
Front Camera - - - 5 megapixel -
Weight 2.47 oz
(70g)
6.3 oz
(179g)
4.4 oz
(125g)
5.43 oz
(154g)
9.28 oz
(263g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
4.96" x 2.56" x 0.42"
(126 x 65 x 10.7 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Palm OS Android Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

TDMA: 850, 1900

AMPS: 850

Data Technology EVDO r0 EDGE HSPA+ 21 LTE (Cat 4) -
Features 
Flashlight - - - Yes -
GPS / Location Yes n/a n/a n/a -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a n/a n/a -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID - n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a -
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes n/a n/a n/a -
Stereo Speakers Yes - - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a -
Calendar Yes n/a n/a n/a -
To-Do List - n/a n/a n/a -
Voice Memo Yes n/a n/a n/a -
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - n/a n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung Wafer R510 Palm Treo 650 (GSM) ZTE Concord II Samsung Galaxy J2 / J2 Pure / J2 Dash Ericsson R278d
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Wafer R510 Palm Treo 650 (GSM) ZTE Concord II Samsung Galaxy J2 / J2 Pure / J2 Dash Ericsson R278d

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