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Phone Motorola T191 Nokia Lumia 521 / 520 Microsoft Lumia 950 Sony Ericsson K850
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
5.2" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 98 x 64 pixels 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~565 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 1,430 mAh 3,000 mAh ?
Processor ? 1 GHz Qualcomm Snapdragon S4 MSM8270 1.8 GHz Qualcomm Snapdragon 808 (MSM8992) ?
RAM ? 512 MB 3 GB ?
Storage ? raw hardware 8 GB 32 GB ? raw hardware
Main Camera - 5 megapixel 20 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD 4K UHD ?
Front Camera - - 5 megapixel -
Weight 3.49 oz
(99g)
4.39 oz
(124g)
5.29 oz
(150g)
4.2 oz
(119g)
Dimensions 4.17" x 1.57" x 0.59"
(106 x 40 x 15 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.71" x 2.88" x 0.32"
(145 x 73 x 8.2 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Windows Windows (proprietary)
Network Bands

GSM: 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology - HSPA+ 21 LTE (Cat 6) HSDPA 3.6
Features 
Flashlight - - Yes -
GPS / Location - n/a n/a -
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible - Yes Yes -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth -
Yes
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a -
NFC - - Yes -
USB - Yes Yes
USB Type C
Yes
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - n/a n/a Yes
Ringer ID - n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys - Yes Yes Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a n/a Yes
Instant Messaging - n/a n/a -
MMS - n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a Yes
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output - - Yes -
Video Calling - n/a n/a Yes *
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes n/a n/a -
Speaker Phone - Yes Yes Yes
  * Some versions only
  Motorola T191 Nokia Lumia 521 / 520 Microsoft Lumia 950 Sony Ericsson K850
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Phone Motorola T191 Nokia Lumia 521 / 520 Microsoft Lumia 950 Sony Ericsson K850

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