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Phone Samsung SCH-A990 LG K40 / Harmony 3 Samsung Trance SCH-U490 Nokia 3650 Huawei Mate 10 Pro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? 5.7" diag.
18 : 9
2.1" diag.
4 : 3
? 6" diag.
18 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,000 mAh 3,000 mAh ? 850 mAh 4,000 mAh
Processor ? 1.8 GHz Qualcomm Snapdragon 450 ? ? 2.4 GHz Huawei Kirin 970
RAM ? 2 GB ? ? 6 GB *
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware 128 GB *
Main Camera 3 megapixel 13 megapixel 1 megapixel Yes 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 1080p HD - ? 4K UHD
Front Camera - 5 megapixel - - 8 megapixel
Weight 4.4 oz
(125g)
5.11 oz
(145g)
3.53 oz
(100g)
4.59 oz
(130g)
6.28 oz
(178g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
5.1" x 2.24" x 1"
(130 x 57 x 25.4 mm)
6.07" x 2.93" x 0.31"
(154 x 75 x 7.9 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) Android (proprietary) S60 (Symbian) Android
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO r0 LTE (Cat 6) 1xRTT GPRS LTE (Cat 18)
Features 
Barometer - - - - Yes
Fingerprint Reader - Yes
stand-alone
- - Yes
stand-alone
Flashlight Yes Yes - - Yes
GPS / Location Yes n/a Yes n/a n/a
Water-Resistant - - - - Yes
IPX7 (snorkeling)
Accessibility
Adjustable Text Size - n/a Yes n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - Yes Yes
NFC - Yes * - - Yes
USB Yes Yes
Micro-USB
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 Yes n/a Yes n/a n/a
Customization
Changeable Body Plates - - - Yes -
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 Yes n/a Yes n/a n/a
Dual-SIM - - - - Yes *
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
Touch Screen - Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a - n/a n/a
EMS / Picture Messaging Yes n/a - 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 Yes n/a Yes n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
DLNA - Yes - - -
TV Output Yes - - - Yes
Power
Fast 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 - n/a - n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW Yes n/a Yes n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) - n/a - n/a n/a
Voice
HD Voice - Yes - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 LG K40 / Harmony 3 Samsung Trance SCH-U490 Nokia 3650 Huawei Mate 10 Pro
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 LG K40 / Harmony 3 Samsung Trance SCH-U490 Nokia 3650 Huawei Mate 10 Pro

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