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Phone Samsung SCH-U340 / Snap Coolpad Quattro 4G ZTE Blade Max 2s Samsung Wafer R510 ZTE ZMAX Pro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
6" diag.
18 : 9
1.9" diag.
4 : 3
6" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 1,000 mAh 1,600 mAh 4,000 mAh 800 mAh 3,400 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ? 1.5 GHz Qualcomm Snapdragon 617 (MSM8952)
RAM ? ? 2 GB ? 2 GB
Storage ? raw hardware 512 MB 32 GB ? raw hardware 32 GB
Main Camera Yes 3 megapixel 13 megapixel 1 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) 1080p HD ? 1080p HD
Front Camera - Yes 5 megapixel - 5 megapixel
Weight 2.82 oz
(80g)
3.31 oz
(94g)
6.35 oz
(180g)
2.47 oz
(70g)
6.17 oz
(175g)
Dimensions 3.5" x 1.8" x 0.77"
(89 x 46 x 19.6 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
6.26" x 2.96" x 0.32"
(159 x 75 x 8.1 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
6.5" x 3.3" x 0.35"
(165 x 84 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology - LTE (Cat 3) LTE (Cat 6) EVDO r0 LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
stand-alone
- Yes
Flashlight - - Yes - Yes
GPS / Location Yes n/a n/a Yes n/a
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a n/a - n/a
USB - Yes Yes
USB Type C
- Yes
USB Type C
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a - n/a
Voice Dialing Yes n/a n/a Yes n/a
Customization
Custom Graphics - n/a n/a Yes n/a
Custom Ringtones - n/a n/a Yes n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
Data Tethering - n/a n/a - n/a
WAP / Web Browser - 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
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a - 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 - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player - n/a n/a Yes n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - - Yes
Power
Fast 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
Voice Memo - n/a n/a Yes n/a
Software
BREW - n/a n/a Yes n/a
Games - 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
  Samsung SCH-U340 / Snap Coolpad Quattro 4G ZTE Blade Max 2s Samsung Wafer R510 ZTE ZMAX Pro
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U340 / Snap Coolpad Quattro 4G ZTE Blade Max 2s Samsung Wafer R510 ZTE ZMAX Pro

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