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Phone Samsung SCH-U550 HTC G2 Huawei Mate 10 Pro Kyocera 3225 Siemens CT56
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
3.7" diag.
5 : 3
6" diag.
18 : 9
? ?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
?
LCD (Grayscale)
101 x 64 pixels
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 800 mAh 1,300 mAh 4,000 mAh ? 700 mAh
Processor ? 800 MHz Qualcomm S2 MSM7230 2.4 GHz Huawei Kirin 970 ? ?
RAM ? ? 6 GB * ? ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 1 megapixel 5 megapixel 12 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD 4K UHD - -
Front Camera - - 8 megapixel - -
Weight 3.17 oz
(90g)
6.5 oz
(184g)
6.28 oz
(178g)
4.23 oz
(120g)
2.96 oz
(84g)
Dimensions 3.76" x 1.92" x 0.68"
(96 x 49 x 17.3 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
6.07" x 2.93" x 0.31"
(154 x 75 x 7.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1900

Data Technology EVDO r0 HSPA 14.4 LTE (Cat 18) 1xRTT GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location Yes n/a n/a Yes Yes
Water-Resistant - - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible Yes Yes - - -
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
- -
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a n/a - -
NFC - - Yes - -
USB - Yes Yes
USB Type C
- Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes n/a n/a - -
Ringer ID Yes n/a n/a - -
Voice Dialing Yes n/a n/a Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a - -
Data & Network
Data Tethering Yes n/a n/a Yes Yes
Dual-SIM - - Yes * - -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes - -
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes - - -
Messaging
Email Client - n/a n/a - -
EMS / Picture Messaging Yes n/a n/a Yes Yes
Instant Messaging - n/a n/a - -
MMS Yes n/a n/a - -
Text Messaging Templates Yes n/a n/a - -
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player Yes n/a n/a - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes -
Calculator Yes n/a n/a Yes -
Calendar Yes n/a n/a Yes -
Voice Memo Yes n/a n/a - -
Software
BREW Yes n/a n/a Yes -
Games Yes n/a n/a Yes -
Java (J2ME) - n/a n/a - Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-U550 HTC G2 Huawei Mate 10 Pro Kyocera 3225 Siemens CT56
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Phone Samsung SCH-U550 HTC G2 Huawei Mate 10 Pro Kyocera 3225 Siemens CT56

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