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Phone Samsung SGH-A157 TCL 10 Pro Pantech Matrix Pro C820 Alcatel Pop Star Alcatel 665
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
6.5" diag.
19.5 : 9
2.4" diag.
4 : 3
4" diag.
5 : 3
1.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~398 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 800 mAh 4,500 mAh 1,320 mAh 2,000 mAh 650 mAh
Processor ? 2 GHz Qualcomm Snapdragon 675 (SM6150) 528 MHz ARM 11 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ?
RAM ? 6 GB ? 1 GB 16 MB
Storage 256 MB 128 GB ? raw hardware 4 GB 32 MB
Main Camera - 64 megapixel 2 megapixel 5 megapixel 2 megapixel
Wide Camera - 16 megapixel - - -
Tele Camera - - - - -
Video Capture - 4K UHD QCIF (176 x 144) 1080p HD QCIF (176 x 144)
Front Camera - 24 megapixel - Yes -
Weight 2.99 oz
(85g)
6.6 oz
(187g)
5.34 oz
(151g)
4.6 oz
(130g)
2.72 oz
(77g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
6.24" x 2.85" x 0.36"
(159 x 72 x 9.2 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
Form Factor Clamshell Slab Slide Slab Clamshell
Platform / OS (proprietary) Android Windows Mobile Standard Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 25, 26, 28, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

Data Technology ? LTE (Cat 6) HSDPA 3.6 LTE (Cat 3) -
Features 
Fingerprint Reader - Yes
in-display (optical)
- - -
Flashlight - Yes - Yes -
GPS / Location Yes n/a n/a n/a -
Accessibility
Adjustable Text Size Yes n/a n/a n/a -
Hearing Aid Compatible Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - 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 Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a -
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - Yes - Yes Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a n/a n/a Yes
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games - n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a Yes
Voice
HD Voice - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A157 TCL 10 Pro Pantech Matrix Pro C820 Alcatel Pop Star Alcatel 665
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Phone Samsung SGH-A157 TCL 10 Pro Pantech Matrix Pro C820 Alcatel Pop Star Alcatel 665

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