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Phone Nokia N900 Samsung SGH-A157 Motorola i886 Motorola Moto z4
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
1.8" diag.
4 : 3
2.2" diag.
4 : 3
6.4" diag.
19.5 : 9
Display Resolution & Type 800 x 480 pixels
(~267 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz
Battery 1,320 mAh 800 mAh 1,380 mAh 3,600 mAh
Processor 600 MHz TI OMAP 3430 (ARM Cortex-A8) ? ? 2 GHz Qualcomm Snapdragon 675
RAM ? ? ? 4 GB
Storage ? raw hardware 256 MB ? raw hardware 128 GB
Main Camera 5 megapixel - 2 megapixel 48 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - QVGA (320 x 240) 4K UHD
Front Camera - - - 25 megapixel
Weight 6.38 oz
(181g)
2.99 oz
(85g)
4.98 oz
(141g)
6 oz
(170g)
Dimensions 4.36" x 2.35" x 0.69"
(111 x 60 x 17.6 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.58" x 2.01" x 0.73"
(116 x 51 x 18.5 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
Form Factor Slide Clamshell Slide Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

iDEN: 800

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 10.1 ? - LTE (Cat 12)
Features 
Fingerprint Reader - - - Yes
Flashlight - - - Yes
GPS / Location Yes Yes Yes n/a
Ruggedized - - Yes -
Water-Resistant - - - Yes
Accessibility
Adjustable Text Size - Yes - n/a
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
NFC - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
802.11 b,g
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID - Yes Yes n/a
Voice Dialing - - Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes Yes Yes n/a
Data & Network
Data Tethering - - Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry - Yes Yes n/a
Side Keys Yes - Yes Yes
Stylus Yes - - -
Text Keyboard, Hardware Yes - Yes -
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client Yes - Yes n/a
Instant Messaging Yes - - n/a
MMS - Yes Yes n/a
Text Messaging Templates - Yes - n/a
Music
FM Radio - - - Yes
FM Transmitter Yes - - n/a
Headphone Jack (3.5mm) Yes - Yes Yes
Music Player Yes - Yes n/a
Stereo Speakers Yes - - -
Photo & Video
DLNA Yes - - -
TV Output Yes - - -
Video Calling Yes * - - n/a
Power
Fast Charging - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List - Yes - n/a
Voice Memo - Yes Yes n/a
Software
Games Yes - Yes n/a
Java (J2ME) - - Yes n/a
Voice
HD Voice - - - Yes
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Nokia N900 Samsung SGH-A157 Motorola i886 Motorola Moto z4
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Phone Nokia N900 Samsung SGH-A157 Motorola i886 Motorola Moto z4

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