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Phone Samsung SGH-T819 Samsung SCH-A990 Ericsson R520 BLU G90 Pro ZTE Agent
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 6.5" diag.
19.5 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
? 1080 x 2340 pixels
(~396 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery ? 1,000 mAh ? 5,000 mAh 900 mAh
Processor ? ? ? 2 GHz MediaTek Helio G90T ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB ? raw hardware
Main Camera 1 megapixel 3 megapixel - 48 megapixel 1 megapixel
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) ? - 4K UHD ?
Front Camera - - - 32 megapixel -
Weight 3.46 oz
(98g)
4.4 oz
(125g)
4.23 oz
(120g)
7.58 oz
(215g)
3.53 oz
(100g)
Dimensions 3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
6.38" x 3.03" x 0.4"
(162 x 77 x 10.2 mm)
4.3" x 1.9" x 0.6"
(109 x 48 x 15.2 mm)
Form Factor Slide Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology WCDMA (UMTS) EVDO r0 GPRS LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - Yes - Yes -
GPS / Location - Yes - n/a Yes
Accessibility
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
USB Yes Yes - Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes Yes - n/a -
Ringer ID Yes Yes - n/a Yes
Voice Dialing Yes Yes Yes n/a -
Customization
Custom Graphics Yes Yes - n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes Yes - n/a Yes
Data & Network
Data Tethering Yes Yes Yes n/a -
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client - - - n/a Yes
EMS / Picture Messaging Yes Yes - n/a -
Instant Messaging Yes - - n/a Yes
MMS Yes Yes - n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes Yes - n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - - n/a -
Voice Memo - Yes Yes n/a Yes
Software
BREW - Yes - n/a Yes
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes - - n/a -
Voice
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-T819 Samsung SCH-A990 Ericsson R520 BLU G90 Pro ZTE Agent
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Phone Samsung SGH-T819 Samsung SCH-A990 Ericsson R520 BLU G90 Pro ZTE Agent

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