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Phone Samsung SCH-A610 Samsung DoubleTime Asus Smartphone for Snapdragon Insiders Nokia Lumia 521 / 520 Kyocera 3225
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 3.2" diag.
5 : 3
6.8" diag.
20.5 : 9
4" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh ? 60 Hz 144 Hz ? ?
Battery 1,300 mAh 1,200 mAh 4,000 mAh 1,430 mAh ?
Processor ? 600 MHz Qualcomm 2.8 GHz Qualcomm Snapdragon 888 1 GHz Qualcomm Snapdragon S4 MSM8270 ?
RAM ? ? 16 GB 512 MB ?
Storage ? raw hardware ? raw hardware 512 GB 8 GB ? raw hardware
Main Camera Yes 3 megapixel 64 megapixel 5 megapixel -
Wide Camera - - 12 megapixel - -
Tele Camera - - 8 megapixel - -
Video Capture - QVGA (320 x 240) 8K 720p HD -
Front Camera - - 24 megapixel - -
Weight 4.23 oz
(120g)
5.22 oz
(148g)
7.41 oz
(210g)
4.39 oz
(124g)
4.23 oz
(120g)
Dimensions 3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android Windows (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT HSPA 7.2 NR (5G) HSPA+ 21 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location Yes n/a n/a n/a Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes -
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
6E (802.11 a,ac,ax,b,g,n)
Yes -
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering Yes n/a n/a n/a Yes
Dual-SIM - - Yes - -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes 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 -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a n/a n/a -
Stereo Speakers - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a -
Software
BREW Yes n/a n/a n/a Yes
Games Yes n/a n/a n/a Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Speaker Phone - Yes Yes Yes Yes
  Samsung SCH-A610 Samsung DoubleTime Asus Smartphone for Snapdragon Insiders Nokia Lumia 521 / 520 Kyocera 3225
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A610 Samsung DoubleTime Asus Smartphone for Snapdragon Insiders Nokia Lumia 521 / 520 Kyocera 3225

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