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Phone ZTE Z222 / Z223 Huawei W1 Red Hydrogen One LG K20 / Harmony / Grace Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
4" diag.
5 : 3
5.7" diag.
16 : 9
5.3" diag.
16 : 9
1.9" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 900 mAh 1,950 mAh 4,510 mAh 2,800 mAh 800 mAh
Processor QSC6270 1.2 GHz Qualcomm Snapdragon 400 MSM8230 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM 64 MB 512 MB 6 GB 1.5 GB ?
Storage 128 MB 4 GB 128 GB * 16 GB ? raw hardware
Main Camera Yes 5 megapixel 12 megapixel 8 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD 4K UHD 1080p HD ?
Front Camera - Yes 8 megapixel 5 megapixel -
Weight 3.24 oz
(92g)
4.41 oz
(125g)
9.63 oz
(273g)
5 oz
(142g)
2.47 oz
(70g)
Dimensions 3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Windows Android Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSDPA 3.6 HSPA+ 21 LTE (Cat 12) LTE (Cat 4) EVDO r0
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes Yes -
GPS / Location - n/a n/a n/a Yes
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 n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - Yes Yes * -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a -
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a -
Data & Network
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a -
Music
FM Radio Yes * - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a Yes
Stereo Speakers - - Yes - Yes
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List - n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
BREW - n/a n/a n/a Yes
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a -
Voice
HD Voice - - Yes Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z222 / Z223 Huawei W1 Red Hydrogen One LG K20 / Harmony / Grace Samsung Wafer R510
  X > < X > < X > < X > < X

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

 
Phone ZTE Z222 / Z223 Huawei W1 Red Hydrogen One LG K20 / Harmony / Grace Samsung Wafer R510

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