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Phone LG Tritan AX-840 / UX-840 Samsung SCH-A990 LG Stylo 4 HTC ThunderBolt CAT S62
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3" diag.
5 : 3
? 6.2" diag.
18 : 9
4.3" diag.
5 : 3
5.7" diag.
18 : 9
Display Resolution & Type 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 950 mAh 1,000 mAh 3,300 mAh 1,400 mAh 4,000 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 1 GHz Qualcomm Snapdragon S2 MSM8655 2.2 GHz Qualcomm Snapdragon 660
RAM ? ? 2 GB * 768 MB 4 GB
Storage ? raw hardware ? raw hardware 32 GB * 8 GB 128 GB
Main Camera 3 megapixel 3 megapixel 13 megapixel 8 megapixel 48 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? 1080p HD 720p HD 4K UHD
Front Camera - - 5 megapixel 1 megapixel 8 megapixel
Weight 5.03 oz
(143g)
4.4 oz
(125g)
6.07 oz
(172g)
5.78 oz
(164g)
9.17 oz
(260g)
Dimensions 4.45" x 2.24" x 0.65"
(113 x 57 x 16.5 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
4.8" x 2.6" x 0.52"
(122 x 66 x 13.2 mm)
6.2" x 3" x 0.5"
(157 x 76 x 12.7 mm)
Form Factor Slide Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 13

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 EVDO r0 LTE (Cat 6) LTE (Cat 3) LTE (Cat 12)
Features 
Fingerprint Reader - - Yes
stand-alone
- Yes
stand-alone
Flashlight - Yes Yes Yes Yes
GPS / Location Yes Yes n/a n/a n/a
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size Yes - n/a n/a n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes * - Yes
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes Yes n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry - Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player Yes Yes n/a n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - Yes Yes -
TV Output - Yes - - -
Video Calling - - n/a n/a n/a
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG Tritan AX-840 / UX-840 Samsung SCH-A990 LG Stylo 4 HTC ThunderBolt CAT S62
  X > < X > < X > < X > < X

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

 
Phone LG Tritan AX-840 / UX-840 Samsung SCH-A990 LG Stylo 4 HTC ThunderBolt CAT S62

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