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Phone Samsung SCH-A990 ZTE Avid 4 Ericsson T66 TCL 20 XE
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
? 6.5" diag.
20 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
? 720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery 1,000 mAh 2,520 mAh ? 5,000 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2 GHz MediaTek Helio P22 (MT6762)
RAM ? 2 GB ? 3 GB
Storage ? raw hardware 16 GB ? raw hardware 32 GB
Main Camera 3 megapixel 8 megapixel - 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 720p HD - 1080p HD
Front Camera - 5 megapixel - 5 megapixel
Weight 4.4 oz
(125g)
5.6 oz
(159g)
2.08 oz
(59g)
6.88 oz
(195g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.7" x 2.8" x 0.36"
(145 x 71 x 9.1 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 4) - LTE (Cat 6)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Flashlight Yes Yes - Yes
GPS / Location Yes n/a - n/a
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
USB Yes Yes
Micro-USB
- 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 n/a - n/a
Ringer ID Yes n/a - n/a
Voice Dialing Yes n/a - n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering Yes n/a - n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes
Messaging
EMS / Picture Messaging Yes n/a Yes n/a
MMS Yes n/a - n/a
Text Messaging Templates Yes n/a Yes n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - Yes
Music Player Yes n/a - n/a
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo Yes n/a - n/a
Software
BREW Yes n/a - n/a
Games Yes n/a Yes n/a
Voice
HD Voice - Yes - Yes
Speaker Phone Yes Yes - Yes
  Samsung SCH-A990 ZTE Avid 4 Ericsson T66 TCL 20 XE
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Phone Samsung SCH-A990 ZTE Avid 4 Ericsson T66 TCL 20 XE

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