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Phone Sanyo SCP-4900 Kyocera Oystr KX9d / KX9e Samsung Galaxy A21 Samsung DoubleTime
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.5" diag.
20 : 9
3.2" diag.
5 : 3
Display Resolution & Type 120 x 128 pixels
LCD (Color)
128 x 128 pixels
LCD (STN)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery ? 870 mAh 4,000 mAh 1,200 mAh
Processor ? ? 2 GHz MediaTek Helio P35 (MT6765) 600 MHz Qualcomm
RAM ? ? 3 GB ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera - - 16 megapixel 3 megapixel
Wide Camera - - 8 megapixel -
Tele Camera - - - -
Video Capture - - 1080p HD QVGA (320 x 240)
Front Camera - - 13 megapixel -
Weight 4.6 oz
(130g)
3.5 oz
(99g)
6.81 oz
(193g)
5.22 oz
(148g)
Dimensions 4.88" x 1.89" x 0.98"
(124 x 48 x 24.9 mm)
3.46" x 1.88" x 0.98"
(88 x 48 x 24.9 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
Form Factor Slab Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

CDMA: 1900

AMPS: 850

CDMA: 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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 6) HSPA 7.2
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location Yes Yes n/a n/a
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth - - Yes Yes
Mobile Hotspot - - n/a n/a
NFC - - Yes -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes * n/a n/a
Data & Network
Data Tethering Yes - n/a n/a
WAP / Web Browser Yes Yes * n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging - Yes n/a n/a
Instant Messaging - - n/a n/a
MMS - - n/a n/a
Text Messaging Templates - Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes
Music Player - - n/a n/a
Power
Fast Charging - - Yes -
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes - n/a n/a
Voice Memo Yes Yes n/a n/a
Software
BREW - Yes * n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) Yes Yes * n/a n/a
Voice
Call Screening Yes - - -
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Sanyo SCP-4900 Kyocera Oystr KX9d / KX9e Samsung Galaxy A21 Samsung DoubleTime
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Phone Sanyo SCP-4900 Kyocera Oystr KX9d / KX9e Samsung Galaxy A21 Samsung DoubleTime

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