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Phone Samsung SCH-A990 Nokia 6555 Asus ZenFone AR Nokia N81 Nokia N8-00
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
5.7" diag.
16 : 9
2.4" diag.
4 : 3
3.5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
360 x 640 pixels
(~210 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh 1,020 mAh 3,300 mAh 1,050 mAh 1,200 mAh
Processor ? ? 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) 369 MHz ARM 11 680 MHz ARM 11
RAM ? ? 6 GB * ? ?
Storage ? raw hardware ? raw hardware 128 GB * 8 GB * 16 GB
Main Camera 3 megapixel 1 megapixel 23 megapixel 2 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) 4K UHD VGA (640 x 480) 720p HD
Front Camera - - 8 megapixel - Yes
Weight 4.4 oz
(125g)
3.42 oz
(97g)
6 oz
(170g)
4.94 oz
(140g)
4.76 oz
(135g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.92" x 1.74" x 0.77"
(100 x 44 x 19.6 mm)
6.24" x 3.05" x 0.3"
(158 x 77 x 7.6 mm)
4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
4.47" x 2.32" x 0.51"
(113 x 59 x 12.9 mm)
Form Factor Clamshell Clamshell Slab Slide Slab
Platform / OS (proprietary) (proprietary) Android S60 (Symbian) Symbian^3
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 13, 20

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 WCDMA (UMTS) LTE (Cat 11) EDGE HSPA 10.1
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight Yes - Yes - -
GPS / Location Yes - n/a n/a n/a
VR-ready - - Yes - -
Accessibility
Adjustable Text Size - Yes n/a n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
- -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - Yes - -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes Yes n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes * Yes
Messaging
Email Client - Yes n/a n/a n/a
EMS / Picture Messaging Yes - n/a n/a n/a
Instant Messaging - Yes n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - Yes Yes
FM Transmitter - - n/a n/a n/a
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes Yes n/a n/a n/a
Stereo Speakers Yes - - Yes -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output Yes - - - Yes
Video Calling - - n/a n/a n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Push-To-Talk - Yes * - Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Nokia 6555 Asus ZenFone AR Nokia N81 Nokia N8-00
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Phone Samsung SCH-A990 Nokia 6555 Asus ZenFone AR Nokia N81 Nokia N8-00

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