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Phone Samsung SCH-U550 Huawei Nexus 6P Samsung SCH-A310 Neonode N1 ZTE Z222 / Z223
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2.1" diag.
4 : 3
5.7" diag.
16 : 9
? ? 2" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
128 x 128 pixels
LCD (Grayscale)
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 3,450 mAh ? 1,100 mAh 900 mAh
Processor ? 2 GHz Qualcomm Snapdragon 810 ? 96 MHz ARM 7 QSC6270
RAM ? 3 GB ? ? 64 MB
Storage ? raw hardware 32 GB * ? raw hardware ? raw hardware 128 MB
Main Camera 1 megapixel 12 megapixel - Yes Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD - ? ?
Front Camera - 8 megapixel - - -
Weight 3.17 oz
(90g)
6.28 oz
(178g)
3.2 oz
(91g)
3.28 oz
(93g)
3.24 oz
(92g)
Dimensions 3.76" x 1.92" x 0.68"
(96 x 49 x 17.3 mm)
6.27" x 3.06" x 0.29"
(159 x 78 x 7.3 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
3.46" x 2.05" x 0.83"
(88 x 52 x 21.1 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Clamshell Slab Clamshell Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 17, 25, 26, 29, 30, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1900

WCDMA: 2, 5

GSM: 850, 1900

Data Technology EVDO r0 LTE (Cat 6) 1xRTT GPRS HSDPA 3.6
Features 
Fingerprint Reader - Yes - - -
Flashlight - Yes - - -
GPS / Location Yes n/a Yes - -
Accessibility
Adjustable Text Size - n/a - - -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes - Yes
TTY/TDD (Digital) - Yes - - Yes
Alerts
Extra Display Yes - Yes - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes - - Yes
Infrared (IR) - - - Yes -
Mobile Hotspot - n/a - - -
NFC - Yes - - -
USB - Yes
USB Type C
Yes Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes n/a - - Yes
Ringer ID Yes n/a - - Yes
Voice Dialing Yes n/a Yes - -
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes n/a - Yes Yes
Custom Ringtones Yes n/a - Yes Yes
Real-Music Ringers Yes n/a - - Yes
Data & Network
Data Tethering Yes n/a Yes - -
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes - Yes
Side Keys Yes Yes Yes - Yes
Touch Screen - Yes
Capacitive
- Yes -
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client - n/a - Yes Yes
EMS / Picture Messaging Yes n/a - - -
Instant Messaging - n/a - - -
MMS Yes n/a - Yes Yes
Text Messaging Templates Yes n/a - - Yes
Music
FM Radio - - - - Yes *
Headphone Jack (3.5mm) - Yes - - -
Music Player Yes n/a - Yes -
Stereo Speakers - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a - - Yes
Calculator Yes n/a - - Yes
Calendar Yes n/a Yes - Yes
Voice Memo Yes n/a Yes - Yes
Software
BREW Yes n/a - - -
Games Yes n/a Yes Yes Yes
Java (J2ME) - n/a - - Yes
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a Yes Yes -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Samsung SCH-U550 Huawei Nexus 6P Samsung SCH-A310 Neonode N1 ZTE Z222 / Z223
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-U550 Huawei Nexus 6P Samsung SCH-A310 Neonode N1 ZTE Z222 / Z223

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