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Phone Samsung Rugby A837 Samsung SCH-A645 TCL 20 XE Huawei Mate 10 Pro Nokia N76
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2" diag.
4 : 3
? 6.5" diag.
20 : 9
6" diag.
18 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 1,000 mAh 1,000 mAh 5,000 mAh 4,000 mAh 700 mAh
Processor ? ? 2 GHz MediaTek Helio P22 (MT6762) 2.4 GHz Huawei Kirin 970 ?
RAM ? ? 3 GB 6 GB * ?
Storage ? raw hardware ? raw hardware 32 GB 128 GB * ? raw hardware
Main Camera 1 megapixel - 13 megapixel 12 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - 1080p HD 4K UHD QVGA (320 x 240)
Front Camera - - 5 megapixel 8 megapixel -
Weight 4.66 oz
(132g)
3.2 oz
(91g)
6.88 oz
(195g)
6.28 oz
(178g)
4.06 oz
(115g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
6.07" x 2.93" x 0.31"
(154 x 75 x 7.9 mm)
4.19" x 2.05" x 0.54"
(106 x 52 x 13.7 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android Android S60 (Symbian)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 1xRTT LTE (Cat 6) LTE (Cat 18) EDGE
Features 
Barometer - - Yes Yes -
Fingerprint Reader - - Yes
stand-alone
Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location Yes Yes n/a n/a n/a
Ruggedized Yes - - - -
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
NFC - - - Yes -
USB Yes - Yes
USB Type C
Yes
USB Type C
Yes
Mini-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes 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
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
Dual-SIM - - - Yes * -
WAP / Web Browser Yes Yes * n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client Yes - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes - n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes - n/a n/a n/a
Photo & Video
TV Output - - - Yes -
Video Calling - - n/a n/a n/a
Power
Fast Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes * n/a n/a n/a
Games Yes Yes * n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Push-To-Talk Yes - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Rugby A837 Samsung SCH-A645 TCL 20 XE Huawei Mate 10 Pro Nokia N76
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Phone Samsung Rugby A837 Samsung SCH-A645 TCL 20 XE Huawei Mate 10 Pro Nokia N76

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