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Phone Samsung Behold T919 Sony Ericsson K850 ZTE Obsidian Samsung UpStage M620 Asus ZenFone AR
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.1" diag.
5 : 3
2.2" diag.
4 : 3
4.5" diag.
16 : 9
2.1" diag.
4 : 3
5.7" diag.
16 : 9
Display Resolution & Type 240 x 400 pixels
(~151 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 1,000 mAh ? 1,800 mAh 620 mAh 3,300 mAh
Processor ? ? 1 GHz MediaTek / MT6735M ? 2.4 GHz Qualcomm Snapdragon 821 (MSM8996)
RAM ? ? 1 GB ? 6 GB *
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware 128 GB *
Main Camera 5 megapixel 5 megapixel 5 megapixel 1 megapixel 23 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? 720p HD ? 4K UHD
Front Camera - - 2 megapixel - 8 megapixel
Weight 4 oz
(113g)
4.2 oz
(119g)
4.66 oz
(132g)
2.57 oz
(73g)
6 oz
(170g)
Dimensions 4.12" x 2.1" x 0.5"
(105 x 53 x 12.7 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
4.07" x 1.73" x 0.37"
(103 x 44 x 9.4 mm)
6.24" x 3.05" x 0.3"
(158 x 77 x 7.6 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 13, 20

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

Data Technology WCDMA (UMTS) HSDPA 3.6 LTE (Cat 4) EVDO r0 LTE (Cat 11)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location Yes - n/a - n/a
VR-ready - - - - Yes
Accessibility
Adjustable Text Size - - n/a Yes n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a - n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - - n/a - n/a
NFC - - - - Yes
USB Yes Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing Yes Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes Yes n/a Yes n/a
Data & Network
Data Tethering - Yes n/a - n/a
Dual-SIM - - - - Yes
External Antenna Jack - - n/a Yes n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes Yes n/a - n/a
Instant Messaging Yes - n/a Yes n/a
MMS Yes Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes Yes n/a Yes n/a
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
Video Calling - Yes * n/a - n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes Yes n/a Yes n/a
Voice Memo Yes Yes n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a Yes n/a
Voice
HD Voice - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Behold T919 Sony Ericsson K850 ZTE Obsidian Samsung UpStage M620 Asus ZenFone AR
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Behold T919 Sony Ericsson K850 ZTE Obsidian Samsung UpStage M620 Asus ZenFone AR

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