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Network

Technology
GSM / HSPA / LTE
 2G bands
GSM 850 / 900 / 1800 / 1900
 3G bands
HSDPA 850 / 900 / 2100
 4G bands
LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
 Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
 GPRS
Yes
 EDGE
Yes
 
HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile,LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - T-Mobile

Launch

Announced
2015, March
 Status
Available. Released 2015, April

Body

Weight
145 g (5.11 oz)
 SIM
Micro-SIM
 Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)

Display

Type
IPS LCD capacitive touchscreen, 16M colors
 Size
5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
 Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
 Multitouch
Yes
 
- ClearBlack display
 Protection
Corning Gorilla Glass 3

Platform

OS
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
 Chipset
Qualcomm MSM8926 Snapdragon 400 (28 nm)
 CPU
Quad-core 1.2 GHz Cortex-A7
 GPU
Adreno 305

Memory

Card slot
microSD, up to 256 GB (dedicated slot)
 Internal
8 GB, 1 GB RAM

Main Camera

Single
8 MP, f/2.2, 28mm (wide), 1/4", AF
 Features
LED flash
 Video

Selfie Camera

Video
720p
 Single
1 MP

Sound

Alert types
Vibration; MP3, WAV ringtones
 Loudspeaker
Voice 70dB / Noise 65dB / Ring 75dB,Yes
 3.5mm jack
Yes

Comms

NFC
Yes
 WLAN
Wi-Fi 802.11 b/g/n, DLNA, hotspot
 Bluetooth
4.0, A2DP
 GPS
Yes, with A-GPS, GLONASS, BDS
 Radio
FM radio
 USB
microUSB 2.0

Features

Sensors
Accelerometer, proximity, compass
 Messaging
SMS(threaded view), MMS, Email, Push Email, IM
 Browser
HTML5
 
- MP3/WAV/eAAC+/WMA player
- MP4/H.264/WMV player
- OneDrive (30 GB cloud storage)
- Document viewer
- Photo/video editor

Battery

Removable Li-Ion 2500 mAh battery
 Stand-by
Up to 864 h (2G) / Up to 864 h (3G)
 Talk time
Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)

MISC

Colors
Glossy cyan, Orange, White, Matte black

TESTS

 Audio quality
Noise -93.1dB / Crosstalk -93.2dB
 Battery life
Endurance rating 76h
 Display
Contrast ratio: 1034 (nominal), 2.563 (sunlight)