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Phone UTStarcom Slice PCS-1400 Samsung MM-A900 / SPH-A900 / Ace Cal-Comp EZ Sony Xperia Pro Palm Treo Pro (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 6.5" diag.
21 : 9
?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1644 x 3840 pixels
(~643 ppi)
AMOLED
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 900 mAh ? 800 mAh 4,000 mAh 1,500 mAh
Processor ? ? ? Qualcomm Snapdragon 865 528 MHz Qualcomm MSM7501a
RAM ? ? ? 12 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 512 GB ? raw hardware
Main Camera - 1 megapixel - 12 megapixel 2 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - ? - 4K UHD ?
Front Camera - - - 8 megapixel -
Weight 2.3 oz
(65g)
3.9 oz
(111g)
2.47 oz
(70g)
7.94 oz
(225g)
4.69 oz
(133g)
Dimensions 4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
3.86" x 2.01" x 0.57"
(98 x 51 x 14.5 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Windows Mobile Professional
Network Bands

CDMA: 1900

CDMA: 850, 1900

CDMA: 850, 1900

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT EVDO r0 1xRTT NR (5G) EVDO rA
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes Yes Yes n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - - - n/a n/a
Hearing Aid Compatible - - - Yes Yes
Multiple Languages - Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth - Yes - Yes Yes
Infrared (IR) - - - - Yes
NFC - - - Yes -
USB - Yes Yes
Mini-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID - Yes - n/a n/a
Ringer ID Yes Yes - n/a n/a
Voice Dialing - Yes - n/a n/a
Customization
Custom Graphics Yes Yes - n/a n/a
Custom Ringtones Yes Yes - n/a n/a
Real-Music Ringers - - - n/a n/a
Data & Network
Data Tethering - Yes - n/a n/a
Dual-SIM - - - Yes -
External Antenna Jack Yes - - n/a n/a
WAP / Web Browser Yes Yes - n/a n/a
Input
Predictive Text Entry Yes Yes - n/a n/a
Side Keys Yes Yes - Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - - - n/a n/a
Instant Messaging - - - n/a n/a
MMS - - - n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
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 Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes Yes n/a n/a
Voice Memo - Yes Yes * n/a n/a
Software
Games Yes Yes - n/a n/a
Java (J2ME) Yes Yes - n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes Yes n/a n/a
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  UTStarcom Slice PCS-1400 Samsung MM-A900 / SPH-A900 / Ace Cal-Comp EZ Sony Xperia Pro Palm Treo Pro (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone UTStarcom Slice PCS-1400 Samsung MM-A900 / SPH-A900 / Ace Cal-Comp EZ Sony Xperia Pro Palm Treo Pro (CDMA)

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