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Phone Samsung SCH-U620 ZTE Engage LT / Engage MT Sony Xperia Z Ultra Sony Ericsson K850
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size ? 4" diag.
5 : 3
6.4" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 1,000 mAh 1,900 mAh 3,050 mAh ?
Processor ? ? 2.2 GHz Qualcomm Snapdragon 800 MSM8974 ?
RAM ? 1 GB 2 GB ?
Storage ? raw hardware 4 GB 16 GB ? raw hardware
Main Camera 1 megapixel 3 megapixel 8 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) WVGA / 480p 1080p HD ?
Front Camera - Yes 2 megapixel -
Weight 3.74 oz
(106g)
5.09 oz
(144g)
7.48 oz
(212g)
4.2 oz
(119g)
Dimensions 3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
4.78" x 2.54" x 0.46"
(121 x 64 x 11.7 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
Form Factor Slide Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1700, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 EVDO rA LTE (Cat 4) HSDPA 3.6
Features 
GPS / Location Yes n/a n/a -
Ruggedized - - Yes -
Water-Resistant - - Yes -
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible Yes - Yes -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
MirrorLink - - Yes -
Mobile Hotspot - n/a n/a -
NFC - - Yes -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes Yes -
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering - n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - n/a n/a Yes
Instant Messaging Yes n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - Yes Yes -
Music Player Yes n/a n/a Yes
Stereo Speakers Yes - - -
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output - - Yes -
Video Calling - n/a n/a Yes *
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a -
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
Headset Jack (2.5 mm) Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-U620 ZTE Engage LT / Engage MT Sony Xperia Z Ultra Sony Ericsson K850
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U620 ZTE Engage LT / Engage MT Sony Xperia Z Ultra Sony Ericsson K850

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