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Phone UTStarcom Slice PCS-1400 Ericsson T66 ZTE Obsidian Sony Xperia XZ2 Palm Treo 680
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? 4.5" diag.
16 : 9
5.7" diag.
18 : 9
?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
? 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 900 mAh ? 1,800 mAh 3,180 mAh ?
Processor ? ? 1 GHz MediaTek / MT6735M Qualcomm Snapdragon 845 ?
RAM ? ? 1 GB 4 GB ?
Storage ? raw hardware ? raw hardware 8 GB 64 GB ? raw hardware
Main Camera - - 5 megapixel 19 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD 4K UHD CIF (352 x 288)
Front Camera - - 2 megapixel 5 megapixel -
Weight 2.3 oz
(65g)
2.08 oz
(59g)
4.66 oz
(132g)
6.98 oz
(198g)
5.5 oz
(156g)
Dimensions 4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
6.02" x 2.83" x 0.44"
(153 x 72 x 11.1 mm)
4.4" x 2.3" x 0.8"
(112 x 58 x 20.3 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Palm OS
Network Bands

CDMA: 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT - LTE (Cat 4) LTE (Cat 18) EDGE
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location Yes - n/a n/a n/a
Water-Resistant - - - Yes
IPX5 (direct spray)
-
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - - Yes Yes -
Multiple Languages - Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth -
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - - Yes -
USB - - Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - - n/a n/a n/a
Ringer ID Yes - n/a n/a n/a
Voice Dialing - - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
Dual-SIM - - - Yes -
External Antenna Jack Yes - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS - - n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo - - n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - n/a n/a n/a
Speaker Phone Yes - Yes Yes Yes
  UTStarcom Slice PCS-1400 Ericsson T66 ZTE Obsidian Sony Xperia XZ2 Palm Treo 680
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Phone UTStarcom Slice PCS-1400 Ericsson T66 ZTE Obsidian Sony Xperia XZ2 Palm Treo 680

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