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Phone Samsung SCH-U620 Visible Midnight Sony Xperia Pro ZTE Z222 / Z223 Samsung Jack i637
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
6.5" diag.
21 : 9
2" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,000 mAh 4,000 mAh 4,000 mAh 900 mAh 1,480 mAh
Processor ? MediaTek Helio P22 (MT6762) Qualcomm Snapdragon 865 QSC6270 ?
RAM ? 3 GB 12 GB 64 MB ?
Storage ? raw hardware 32 GB 512 GB 128 MB ? raw hardware
Main Camera 1 megapixel 13 megapixel 12 megapixel Yes 3 megapixel
Wide Camera - 5 megapixel 12 megapixel - -
Tele Camera - - 12 megapixel - -
Video Capture QVGA (320 x 240) 1080p HD 4K UHD ? ?
Front Camera - 8 megapixel 8 megapixel - -
Weight 3.74 oz
(106g)
6.35 oz
(180g)
7.94 oz
(225g)
3.24 oz
(92g)
3.6 oz
(102g)
Dimensions 3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
Form Factor Slide Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) Windows Mobile Standard
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

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

WCDMA: 2, 5

GSM: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 4) NR (5G) HSDPA 3.6 HSDPA 3.6
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location Yes n/a n/a - n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - Yes - -
USB Yes Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing Yes n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering - n/a n/a - n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client - n/a n/a Yes n/a
Instant Messaging Yes n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio - - - Yes * -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player Yes n/a n/a - n/a
Stereo Speakers Yes - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW Yes n/a n/a - n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-U620 Visible Midnight Sony Xperia Pro ZTE Z222 / Z223 Samsung Jack i637
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U620 Visible Midnight Sony Xperia Pro ZTE Z222 / Z223 Samsung Jack i637

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