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Phone Samsung DoubleTime LG VX-6100 Nokia XR21 BlackBerry Z10 (CDMA) Samsung SGH-E400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 3.2" diag.
5 : 3
? 6.5" diag.
20 : 9
4.2" diag.
5 : 3
?
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~355 ppi)
LCD (TFT/TFD)
128 x 144 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,200 mAh 1,000 mAh 4,800 mAh 1,800 mAh 700 mAh
Processor 600 MHz Qualcomm ? Snapdragon 695 1.5 GHz Qualcomm Snapdragon S4 ?
RAM ? ? 6 GB 2 GB ?
Storage ? raw hardware ? raw hardware 128 GB 16 GB ? raw hardware
Main Camera 3 megapixel Yes 64 megapixel 8 megapixel -
Wide Camera - - 8 megapixel - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 1080p HD 1080p HD -
Front Camera - - 16 megapixel 2 megapixel -
Weight 5.22 oz
(148g)
3.88 oz
(110g)
8.16 oz
(231g)
4.78 oz
(135g)
3.1 oz
(88g)
Dimensions 4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
3.56" x 1.9" x 0.94"
(90 x 48 x 23.9 mm)
6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
5.12" x 2.58" x 0.35"
(130 x 66 x 9 mm)
3.46" x 1.65" x 0.89"
(88 x 42 x 22.6 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS Android (proprietary) Android BlackBerry 10 (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 13

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSPA 7.2 1xRTT NR (5G) LTE (Cat 3) GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location n/a Yes n/a n/a -
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes -
Infrared (IR) - - - - Yes
Mobile Hotspot n/a - n/a n/a -
NFC - - Yes Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,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 -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a Yes
Dual-SIM - - Yes - -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a - n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a Yes
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a -
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a - n/a n/a -
Photo & Video
DLNA - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - 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 Yes
To-Do List n/a - n/a n/a Yes
Voice Memo n/a Yes 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 Yes
Voice
Headset Jack (2.5 mm) n/a Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  Samsung DoubleTime LG VX-6100 Nokia XR21 BlackBerry Z10 (CDMA) Samsung SGH-E400
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Phone Samsung DoubleTime LG VX-6100 Nokia XR21 BlackBerry Z10 (CDMA) Samsung SGH-E400

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