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Phone HTC SDA (USA) / SP5m (Tornado) Nokia Lumia 521 / 520 LG Velvet Palm Pre 2 (GSM) Kyocera K404
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
4" diag.
5 : 3
6.8" diag.
20.5 : 9
3.1" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2460 pixels
(~395 ppi)
AMOLED
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
104 x 90 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery ? 1,430 mAh 4,300 mAh 1,150 mAh 900 mAh
Processor ? 1 GHz Qualcomm Snapdragon S4 MSM8270 Qualcomm Snapdragon 765G 1 GHz TI 3630 ?
RAM ? 512 MB 6 GB ? ?
Storage ? raw hardware 8 GB 128 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 5 megapixel 48 megapixel 5 megapixel -
Wide Camera - - 8 megapixel - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 720p HD 4K UHD VGA (640 x 480) -
Front Camera - - 16 megapixel - -
Weight 3.74 oz
(106g)
4.39 oz
(124g)
6.35 oz
(180g)
5.1 oz
(145g)
3.52 oz
(100g)
Dimensions 4.53" x 1.82" x 0.69"
(115 x 46 x 17.5 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
6.58" x 2.92" x 0.31"
(167 x 74 x 7.9 mm)
3.96" x 2.35" x 0.67"
(101 x 60 x 17 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
Form Factor Slab Slab Slab Slide Slab
Platform / OS Windows Mobile Standard Windows Android webOS (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 25, 41, 66, 71, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 29, 30, 38, 39, 40, 41, 46, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EDGE HSPA+ 21 NR (5G) HSDPA 3.6 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes - Yes
GPS / Location n/a n/a n/a n/a Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes - -
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) Yes - - - -
Mobile Hotspot n/a n/a n/a n/a -
NFC - - Yes - -
USB Yes
Mini-USB
Yes Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi Yes Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID n/a n/a n/a n/a -
Ringer ID n/a n/a n/a n/a -
Voice Dialing n/a n/a n/a n/a Yes
Customization
Changeable Body Plates - - - - Yes
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 -
Data & Network
Data Tethering n/a n/a n/a n/a -
External Antenna Jack n/a n/a n/a n/a -
WAP / Web Browser n/a n/a n/a n/a -
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a -
Text Messaging Templates n/a n/a n/a n/a -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player n/a 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 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 -
Software
Games n/a n/a n/a n/a Yes *
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  HTC SDA (USA) / SP5m (Tornado) Nokia Lumia 521 / 520 LG Velvet Palm Pre 2 (GSM) Kyocera K404
  X > < X > < X > < X > < X

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

 
Phone HTC SDA (USA) / SP5m (Tornado) Nokia Lumia 521 / 520 LG Velvet Palm Pre 2 (GSM) Kyocera K404

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