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Phone Ericsson T66 ZTE Blade Spark Asus ROG Phone II HTC Desire 555
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
6.6" diag.
19.5 : 9
5" diag.
16 : 9
Display Resolution & Type ? 720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 120 Hz 60 Hz
Battery ? 3,140 mAh 6,000 mAh 2,200 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 3 GHz Qualcomm Snapdragon 855 Plus 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? 2 GB 12 GB 2 GB
Storage ? raw hardware 16 GB 512 GB 16 GB
Main Camera - 13 megapixel 48 megapixel 8 megapixel
Wide Camera - - 13 megapixel -
Tele Camera - - - -
Video Capture - 1080p HD 4K UHD 720p HD
Front Camera - 5 megapixel 24 megapixel 5 megapixel
Weight 2.08 oz
(59g)
6.12 oz
(173g)
8.47 oz
(240g)
4.93 oz
(140g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.14" x 3.06" x 0.38"
(156 x 78 x 9.7 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 29, 30

WCDMA: 1, 2, 4, 5

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: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology - LTE (Cat 4) LTE (Cat 20) LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
Yes
in-display (optical)
-
Flashlight - Yes Yes Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes *
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - Yes -
USB - Yes
USB Type C
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)
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Data & Network
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
EMS / Picture Messaging Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - Yes Yes Yes
Stereo Speakers - - Yes -
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
TV Output - - Yes -
Power
Fast Charging - - Yes -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Voice
HD Voice - Yes - Yes
Speaker Phone - Yes Yes Yes
  * Some versions only
  Ericsson T66 ZTE Blade Spark Asus ROG Phone II HTC Desire 555
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Phone Ericsson T66 ZTE Blade Spark Asus ROG Phone II HTC Desire 555

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