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Phone Samsung Galaxy Attain 4G LG K4 / Optimus Zone 3 / Rebel Apple iPhone X Siemens A56 / A56i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
4.5" diag.
16 : 9
5.8" diag.
19.5 : 9
?
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
101 x 64 pixels
Display Refresh 60 Hz 60 Hz 60 Hz ?
Battery 1,650 mAh 1,940 mAh 2,716 mAh 700 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) Apple A11 ?
RAM 512 MB 1.5 GB 3 GB ?
Storage ? raw hardware 16 GB * 64 GB * ? raw hardware
Main Camera 3 megapixel 5 megapixel 12 megapixel -
Wide Camera - - - -
Tele Camera - - Yes -
Video Capture WVGA / 480p 720p HD 4K UHD -
Front Camera 1 megapixel 2 megapixel 7 megapixel -
Weight 4.2 oz
(119g)
3.99 oz
(113g)
6.14 oz
(174g)
3 oz
(85g)
Dimensions 4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android Android iOS (proprietary)
Network Bands

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology LTE (Cat 3) LTE (Cat 3) LTE (Cat 9) -
Features 
Barometer - - Yes -
Flashlight - Yes Yes -
GPS / Location n/a n/a n/a Yes
Water-Resistant - - Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages n/a n/a n/a -
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes -
Mobile Hotspot n/a n/a n/a -
NFC - - Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi Yes Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a -
Customization
Changeable Body Plates - - - Yes
Custom Graphics n/a n/a n/a Yes
Custom Ringtones 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 -
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes -
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a Yes
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a -
Text Messaging Templates n/a n/a n/a -
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player n/a n/a n/a -
Stereo Speakers - - Yes -
Photo & Video
DLNA Yes - - -
Miracast - Yes - -
TV Output - - Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a -
Voice Memo n/a n/a n/a -
Software
Games n/a n/a n/a Yes
Voice
HD Voice - Yes * Yes -
Speaker Phone Yes Yes Yes -
  * Some versions only
  Samsung Galaxy Attain 4G LG K4 / Optimus Zone 3 / Rebel Apple iPhone X Siemens A56 / A56i
  X > < X > < X > < X

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

 
Phone Samsung Galaxy Attain 4G LG K4 / Optimus Zone 3 / Rebel Apple iPhone X Siemens A56 / A56i

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