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Phone Samsung Trance SCH-U490 Nubia RedMagic 5S Samsung Sidekick 4G Samsung Zeal / Alias 2 SCH-U750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
6.7" diag.
19.5 : 9
3.5" diag.
5 : 3
2.6" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? 144 Hz 60 Hz ?
Battery ? 4,500 mAh ? 880 mAh
Processor ? Qualcomm Snapdragon 865 1 GHz Samsung Hummingbird Cortex A8 ?
RAM ? 8 GB * ? ?
Storage ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 1 megapixel 64 megapixel 3 megapixel 2 megapixel
Wide Camera - 8 megapixel - -
Tele Camera - - - -
Video Capture - 4K UHD WVGA / 480p QCIF (176 x 144)
Front Camera - 8 megapixel Yes -
Weight 3.53 oz
(100g)
7.76 oz
(220g)
5.7 oz
(162g)
4.34 oz
(123g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
4.01" x 2.04" x 0.67"
(102 x 52 x 17 mm)
Form Factor Slide Slab Slide Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT NR (5G) HSPA+ 21 EVDO r0
Features 
Fingerprint Reader - Yes - -
Flashlight - Yes - -
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size Yes n/a n/a Yes
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - n/a n/a -
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client - n/a n/a Yes
Instant Messaging - n/a n/a Yes
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player Yes n/a n/a Yes
Stereo Speakers - Yes - -
Photo & Video
DLNA - - Yes -
TV Output - Yes - -
Power
Fast Charging - Yes - -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a Yes
Games Yes n/a n/a Yes
Voice
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Trance SCH-U490 Nubia RedMagic 5S Samsung Sidekick 4G Samsung Zeal / Alias 2 SCH-U750
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Phone Samsung Trance SCH-U490 Nubia RedMagic 5S Samsung Sidekick 4G Samsung Zeal / Alias 2 SCH-U750

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