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Phone Sony Ericsson Z550a ZTE Blade Spark Siemens CF75 HTC One M9 (GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 1.9" diag.
4 : 3
5.5" diag.
16 : 9
? 5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery ? 3,140 mAh 600 mAh 2,840 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 2 GHz Qualcomm Snapdragon 810 (MSM8994)
RAM ? 2 GB ? 3 GB
Storage ? raw hardware 16 GB ? raw hardware 32 GB
Main Camera 1 megapixel 13 megapixel Yes 20 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 1080p HD - 4K UHD
Front Camera - 5 megapixel - 4 megapixel
Weight 3.26 oz
(92g)
6.12 oz
(173g)
3.17 oz
(90g)
5.54 oz
(157g)
Dimensions 3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
6.14" x 3.06" x 0.38"
(156 x 78 x 9.7 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
5.69" x 2.74" x 0.38"
(145 x 70 x 9.6 mm)
Form Factor Clamshell Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 4) EDGE LTE (Cat 9)
Features 
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - Yes
GPS / Location - n/a - n/a
Water-Resistant - - - Yes
IPX3 (falling spray)
Accessibility
Adjustable Text Size - n/a - n/a
Hearing Aid Compatible - Yes - Yes
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes - Yes -
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - - Yes -
Mobile Hotspot - n/a - n/a
NFC - - - Yes
USB Yes Yes
USB Type C
Yes Yes
Micro-USB
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
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering Yes n/a Yes n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes n/a Yes n/a
EMS / Picture Messaging - n/a Yes n/a
Instant Messaging - n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) - Yes - Yes
Music Player Yes n/a - n/a
Stereo Speakers - - - Yes
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
TV Output - - - Yes
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List Yes n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
Games Yes n/a Yes n/a
Java (J2ME) Yes n/a Yes n/a
Voice
HD Voice - Yes - Yes
Push-To-Talk Yes * - Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Sony Ericsson Z550a ZTE Blade Spark Siemens CF75 HTC One M9 (GSM)
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Phone Sony Ericsson Z550a ZTE Blade Spark Siemens CF75 HTC One M9 (GSM)

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