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Phone ZTE Z221 HTC One S Samsung Saga i770 Asus ROG Phone II Huawei P9
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Not yet released
Specifications 
Display Size 2" diag.
4 : 3
4.3" diag.
16 : 9
2.6" diag.
1 : 1
6.6" diag.
19.5 : 9
5.2" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~256 ppi)
AMOLED
320 x 320 pixels
(~177 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
1920 x 1080 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 120 Hz 60 Hz
Battery 900 mAh 1,650 mAh 1,300 mAh 6,000 mAh 3,000 mAh
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8260A 384 MHz MSM7500 3 GHz Qualcomm Snapdragon 855 Plus 2.5 GHz Huawei Kirin 955
RAM ? 1 GB ? 12 GB 3 GB *
Storage 142 MB 16 GB ? raw hardware 512 GB 32 GB *
Main Camera Yes 8 megapixel 2 megapixel 48 megapixel 12 megapixel
Wide Camera - - - 13 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 1080p HD QVGA (320 x 240) 4K UHD 1080p HD
Front Camera - Yes - 24 megapixel 8 megapixel
Weight 3.24 oz
(92g)
4.2 oz
(119g)
4.59 oz
(130g)
8.47 oz
(240g)
5.05 oz
(143g)
Dimensions 3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
5.15" x 2.56" x 0.31"
(131 x 65 x 7.9 mm)
4.88" x 2.44" x 0.53"
(124 x 62 x 13.5 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
5.71" x 2.79" x 0.28"
(145 x 71 x 7.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Windows Mobile Professional Android Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 3.6 HSPA+ 42 EVDO rA LTE (Cat 20) LTE (Cat 6)
Features 
Fingerprint Reader - - - Yes
in-display (optical)
Yes
Flashlight - Yes - Yes Yes
GPS / Location Yes n/a n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - Yes Yes *
USB Yes Yes
Micro-USB
Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - n/a n/a n/a n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
Dual-SIM - - - Yes Yes *
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes - - Yes
Miracast - - - - Yes
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z221 HTC One S Samsung Saga i770 Asus ROG Phone II Huawei P9
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Phone ZTE Z221 HTC One S Samsung Saga i770 Asus ROG Phone II Huawei P9

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