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Phone Samsung Rugby A837 Nokia E70 Ericsson T39 Red Hydrogen One ZTE Tempo
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? 5.7" diag.
16 : 9
4.5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 1,000 mAh 1,150 mAh ? 4,510 mAh 2,200 mAh
Processor ? ? ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? ? 6 GB 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 8 GB
Main Camera 1 megapixel 2 megapixel - 12 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) CIF (352 x 288) - 4K UHD 720p HD
Front Camera - - - 8 megapixel 2 megapixel
Weight 4.66 oz
(132g)
4.48 oz
(127g)
3.03 oz
(86g)
9.63 oz
(273g)
4.8 oz
(136g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.61" x 2.09" x 0.87"
(117 x 53 x 22.1 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
5.35" x 2.67" x 0.4"
(136 x 68 x 10.2 mm)
Form Factor Clamshell Slab Flip Slab Slab
Platform / OS (proprietary) S60 (Symbian) (proprietary) Android Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

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

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE GPRS LTE (Cat 12) LTE (Cat 4)
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes Yes
GPS / Location Yes n/a - n/a n/a
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
HSP, DUN, OPP, Sync
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes Yes - -
NFC - - - Yes -
USB Yes Yes - Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
802.11 b,g
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a - n/a n/a
Ringer ID Yes n/a - n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes n/a - n/a n/a
EMS / Picture Messaging - 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 n/a Yes n/a n/a
Music
FM Radio - - - Yes Yes
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes n/a - n/a n/a
Stereo Speakers - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a - n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a - n/a n/a
Voice
HD Voice - - - Yes Yes
Push-To-Talk Yes Yes * - - -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Samsung Rugby A837 Nokia E70 Ericsson T39 Red Hydrogen One ZTE Tempo
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Phone Samsung Rugby A837 Nokia E70 Ericsson T39 Red Hydrogen One ZTE Tempo

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