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Phone Samsung Messager R450 Sony Ericsson Xperia Play 4G (GSM) Ericsson T66 Red Hydrogen One Kyocera 1155
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
4" diag.
16 : 9
? 5.7" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~245 ppi)
LCD (TFT/TFD)
? 1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
?
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 960 mAh 1,500 mAh ? 4,510 mAh 975 mAh
Processor ? 1 GHz Qualcomm Snapdragon S2 MSM8255 ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ?
RAM ? ? ? 6 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * ? raw hardware
Main Camera 1 megapixel 5 megapixel - 12 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - WVGA / 480p - 4K UHD -
Front Camera - Yes - 8 megapixel -
Weight 4.58 oz
(130g)
6.17 oz
(175g)
2.08 oz
(59g)
9.63 oz
(273g)
4.34 oz
(123g)
Dimensions 4.4" x 2" x 0.7"
(112 x 51 x 17.8 mm)
4.68" x 2.44" x 0.63"
(119 x 62 x 16 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
4.72" x 1.89" x 0.95"
(120 x 48 x 24.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1700, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 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

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT HSPA 7.2 - LTE (Cat 12) -
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes n/a - n/a -
Accessibility
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes - - Yes -
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
-
Mobile Hotspot - n/a - n/a -
NFC - - - 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 - n/a - n/a -
Data & Network
Data Tethering - 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 -
Text Keyboard, Hardware Yes - - - -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client - n/a - n/a -
EMS / Picture Messaging - n/a Yes n/a -
Instant Messaging - n/a - n/a -
MMS Yes n/a - n/a -
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes n/a - n/a -
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA - Yes - - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
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 Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a - n/a Yes
Speaker Phone Yes Yes - Yes -
  Samsung Messager R450 Sony Ericsson Xperia Play 4G (GSM) Ericsson T66 Red Hydrogen One Kyocera 1155
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Messager R450 Sony Ericsson Xperia Play 4G (GSM) Ericsson T66 Red Hydrogen One Kyocera 1155

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