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Phone Samsung Knack U310 Motorola RAZR V3i / V3t / V3e / V3r Cal-Comp EZ Sony Xperia XA2 Ultra Samsung SCH-A530
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? 6" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh 710 mAh 800 mAh 3,580 mAh ?
Processor ? ? ? Qualcomm Snapdragon 630 ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * ? raw hardware
Main Camera - 1 megapixel - 23 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - 4K UHD -
Front Camera - - - 16 megapixel -
Weight 3.63 oz
(103g)
3.53 oz
(100g)
2.47 oz
(70g)
7.79 oz
(221g)
3 oz
(85g)
Dimensions 3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
3.86" x 2.09" x 0.55"
(98 x 53 x 14 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
6.42" x 3.15" x 0.37"
(163 x 80 x 9.5 mm)
3.18" x 1.67" x 0.9"
(81 x 42 x 22.9 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology - GPRS 1xRTT LTE (Cat 13) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes - Yes n/a Yes
Accessibility
Adjustable Text Size Yes - - n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
-
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - - -
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes - Yes -
NFC - - - Yes -
USB - Yes
Mini-USB
Yes
Mini-USB
Yes
USB Type C
-
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - Yes - n/a Yes
Ringer ID - Yes - n/a Yes
Voice Dialing Yes Yes - n/a Yes
Customization
Custom Graphics - Yes - n/a Yes
Custom Ringtones - Yes - n/a Yes
Real-Music Ringers - Yes - n/a -
Data & Network
Data Tethering - - - n/a Yes
WAP / Web Browser - Yes - n/a Yes
Input
Predictive Text Entry Yes Yes - n/a Yes
Side Keys Yes Yes - Yes Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - Yes - n/a -
EMS / Picture Messaging Yes Yes - n/a -
MMS - Yes - n/a -
Text Messaging Templates - Yes * Yes n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes - n/a -
Photo & Video
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - - Yes n/a Yes
Voice Memo - Yes Yes * n/a Yes
Software
BREW - - - n/a Yes
Games - Yes - n/a Yes
Java (J2ME) - Yes - n/a -
Voice
Headset Jack (2.5 mm) Yes - Yes n/a Yes
Speaker Phone Yes Yes - Yes -
  * Some versions only
  Samsung Knack U310 Motorola RAZR V3i / V3t / V3e / V3r Cal-Comp EZ Sony Xperia XA2 Ultra Samsung SCH-A530
  X > < X > < X > < X > < X

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

 
Phone Samsung Knack U310 Motorola RAZR V3i / V3t / V3e / V3r Cal-Comp EZ Sony Xperia XA2 Ultra Samsung SCH-A530

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