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Phone Microsoft Lumia 950 XL ZTE Z221 Samsung UpStage M620 Kyocera KX12
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.7" diag.
16 : 9
2" diag.
4 : 3
2.1" diag.
4 : 3
?
Display Resolution & Type 1440 x 2560 pixels
(~515 ppi)
AMOLED
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 3,340 mAh 900 mAh 620 mAh 1,800 mAh
Processor 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? ? ?
RAM 3 GB ? ? ?
Storage 32 GB 142 MB ? raw hardware ? raw hardware
Main Camera 20 megapixel Yes 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD QCIF (176 x 144) ? -
Front Camera 5 megapixel - - -
Weight 5.82 oz
(165g)
3.24 oz
(92g)
2.57 oz
(73g)
4.62 oz
(131g)
Dimensions 5.98" x 3.09" x 0.32"
(152 x 78 x 8.1 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.07" x 1.73" x 0.37"
(103 x 44 x 9.4 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Windows (proprietary) (proprietary) (proprietary)
Network Bands

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: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 6) HSDPA 3.6 EVDO r0 1xRTT
Features 
Flashlight Yes - - Yes
GPS / Location n/a Yes - Yes
Ruggedized - - - Yes
Accessibility
Adjustable Text Size n/a - Yes -
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
-
Multiple Languages n/a Yes - Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes Yes -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes -
Mobile Hotspot n/a - - -
NFC Yes - - -
USB Yes
USB Type C
Yes Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a - Yes Yes
Ringer ID n/a - Yes Yes
Voice Dialing n/a - Yes Yes
Customization
Custom Graphics n/a Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes
Real-Music Ringers n/a Yes Yes -
Data & Network
Data Tethering n/a - - Yes
External Antenna Jack n/a - Yes -
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - -
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a Yes - -
EMS / Picture Messaging n/a - - Yes
Instant Messaging n/a Yes Yes -
MMS n/a Yes Yes -
Text Messaging Templates n/a Yes Yes Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - -
Music Player n/a - Yes -
Photo & Video
DLNA Yes - - -
Miracast Yes - - -
TV Output Yes - - -
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes Yes
Calendar n/a Yes Yes Yes
To-Do List n/a - Yes -
Voice Memo n/a Yes Yes Yes
Software
BREW n/a - - Yes *
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes Yes -
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a - - Yes
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Microsoft Lumia 950 XL ZTE Z221 Samsung UpStage M620 Kyocera KX12
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Phone Microsoft Lumia 950 XL ZTE Z221 Samsung UpStage M620 Kyocera KX12

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