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Phone LG K40 / Harmony 3 Samsung Glyde U940 Coolpad REVVL Plus Siemens SX1 Ericsson T28 World
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
2.8" diag.
16.5 : 9
6" diag.
16 : 9
? ?
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 3,000 mAh 1,000 mAh 3,380 mAh 1,000 mAh 500 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? ?
RAM 2 GB ? 2 GB ? ?
Storage 32 GB ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera 13 megapixel 2 megapixel 13 megapixel Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD QVGA (320 x 240) 1080p HD QCIF (176 x 144) -
Front Camera 5 megapixel - 8 megapixel - -
Weight 5.11 oz
(145g)
4.2 oz
(119g)
6.91 oz
(196g)
4.09 oz
(116g)
3.14 oz
(89g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
6.49" x 3.24" x 0.34"
(165 x 82 x 8.6 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
Form Factor Slab Slide Slab Slab Flip
Platform / OS Android (proprietary) Android S60 (Symbian) (proprietary)
Network Bands

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

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1900

Data Technology LTE (Cat 6) EVDO r0 LTE (Cat 6) GPRS -
Features 
Fingerprint Reader Yes
stand-alone
- Yes
stand-alone
- -
Flashlight Yes - Yes - -
GPS / Location n/a Yes n/a n/a -
Accessibility
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages n/a Yes n/a n/a -
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - - Yes -
NFC Yes * - - - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a n/a -
Ringer ID n/a Yes n/a n/a -
Voice Dialing n/a Yes n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a -
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a Yes n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a Yes
WAP / Web Browser n/a Yes n/a n/a -
Input
Predictive Text Entry n/a Yes n/a n/a -
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 -
MMS n/a Yes n/a n/a -
Text Messaging Templates n/a Yes n/a n/a -
Music
FM Radio Yes - Yes Yes -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a n/a -
Photo & Video
DLNA Yes - - - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a -
To-Do List n/a - n/a n/a -
Voice Memo n/a - n/a n/a -
Software
BREW n/a Yes n/a n/a -
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a - n/a n/a -
Voice
HD Voice Yes - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  LG K40 / Harmony 3 Samsung Glyde U940 Coolpad REVVL Plus Siemens SX1 Ericsson T28 World
  X > < X > < X > < X > < X

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

 
Phone LG K40 / Harmony 3 Samsung Glyde U940 Coolpad REVVL Plus Siemens SX1 Ericsson T28 World

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