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Phone Apple iPhone 4 (CDMA) Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 Nokia 6290 LG K3 LG AX-390 / UX-390
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
5" diag.
16 : 9
2.2" diag.
4 : 3
4.5" diag.
16 : 9
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery ? 2,600 mAh 950 mAh 1,940 mAh 1,000 mAh
Processor ? 1.4 GHz Samsung Exynos 7 Quad (7570) 369 MHz ARM 11 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM ? 1.5 GB ? 1 GB ?
Storage 8 GB * 16 GB ? raw hardware 8 GB ? raw hardware
Main Camera 5 megapixel 5 megapixel 2 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD QCIF (176 x 144) 720p HD -
Front Camera Yes 2 megapixel - Yes -
Weight 4.8 oz
(136g)
5.2 oz
(147g)
4.06 oz
(115g)
4.6 oz
(130g)
3.74 oz
(106g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
5.54" x 2.76" x 0.34"
(141 x 70 x 8.6 mm)
3.7" x 1.97" x 0.82"
(94 x 50 x 20.8 mm)
5.24" x 2.67" x 0.37"
(133 x 68 x 9.4 mm)
3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS iOS Android S60 (Symbian) Android (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EVDO rA LTE (Cat 4) EDGE LTE (Cat 4) 1xRTT
Features 
Flashlight - Yes - Yes -
GPS / Location n/a n/a n/a n/a Yes
Accessibility
Adjustable Text Size n/a n/a n/a n/a -
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - Yes - -
Mobile Hotspot n/a n/a n/a n/a -
USB Yes Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a -
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a n/a -
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client n/a n/a n/a n/a -
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a n/a -
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player n/a n/a n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
TV Output Yes - - - -
Video Calling n/a n/a n/a n/a -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a -
Voice Memo n/a n/a n/a n/a Yes
Software
BREW n/a n/a n/a n/a Yes
Games n/a n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Push-To-Talk - - Yes * - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (CDMA) Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 Nokia 6290 LG K3 LG AX-390 / UX-390
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (CDMA) Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 Nokia 6290 LG K3 LG AX-390 / UX-390

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