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Phone Nokia N90 AT&T Maestro 3 Sony Xperia Z Ultra
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Not yet released
Specifications 
Display Size ? 6.5" diag.
20 : 9
6.4" diag.
16 : 9
Display Resolution & Type 352 x 416 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz
Battery 760 mAh 3,900 mAh 3,050 mAh
Processor ? 2 GHz MediaTek Helio A22 (MT6761) 2.2 GHz Qualcomm Snapdragon 800 MSM8974
RAM ? 3 GB 2 GB
Storage ? raw hardware 32 GB 16 GB
Main Camera 2 megapixel 13 megapixel 8 megapixel
Wide Camera - 5 megapixel -
Tele Camera - - -
Video Capture CIF (352 x 288) 1080p HD 1080p HD
Front Camera - 5 megapixel 2 megapixel
Weight 6.1 oz
(173g)
6.24 oz
(177g)
7.48 oz
(212g)
Dimensions 4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
Platform / OS S60 (Symbian) Android Android
Network Bands

WCDMA: 1

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

4G LTE: 1, 2, 3, 4, 5, 7, 8

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

Data Technology EDGE LTE (Cat 4) LTE (Cat 4)
Features 
Barometer - Yes -
Fingerprint Reader - Yes
stand-alone
-
Flashlight - Yes -
Ruggedized - - Yes
Water-Resistant - - Yes
Accessibility
Hearing Aid Compatible - Yes Yes
Alerts
Extra Display Yes - -
Ringer Profiles Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
MirrorLink - - Yes
NFC - - Yes
USB Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
Input
Side Keys Yes Yes Yes
Touch Screen - Yes Yes
Memory
Memory Card Slot Yes Yes Yes
Music
FM Radio - - Yes
Headphone Jack (3.5mm) - Yes Yes
Photo & Video
DLNA - - Yes
Miracast - - Yes
TV Output - - Yes
Voice
HD Voice - Yes -
Push-To-Talk Yes - -
Speaker Phone Yes Yes Yes
  Nokia N90 AT&T Maestro 3 Sony Xperia Z Ultra
  X > < X > < X

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Phone Nokia N90 AT&T Maestro 3 Sony Xperia Z Ultra

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