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Microsoft Lumia 640 (dual 4G)

Detailed parameters

Basic parameters
Released February 2015
Product model
Announced
Usage scenario 4G , 3G , Smart , Camera
Fuselage color Black, white, orange, blue, green
Fingerprint recognition
Face Recognition
Shape
Length 141.3mm
Width 72.2mm
Depth 8.8mm
Weight 143g
Hardware
CPU Qualcomm Snapdragon 400 (msm8926)
RAM 1GB game running stuck
Internal storage 8GB1638 photos 682 songs
Memory card MicroSD card
Expansion capacity 128GB
UI OS
loudspeaker
Screen
Screen dimensions Five inches
Screen type
Display resolution 1280x720 pixels
Screen material TFT material (IPS technology)
Refresh rate
Touch sampling rate
Screen Color
Camera
Total camera count 2
Camera name
Pixel Rear camera 1:80 megapixels Front camera 1:90 megapixels
Aperture Rear camera 1: f/2.2 Front camera 1: f/2.4
Focus
Focus Distance
Anti-shake
Rear camera function
Rear video shooting ) 720p (1280×720, 30 frames/second) video recording (
Front camera function
Flash LED fill light
Zoom ratio
Network and Connectivity
WiFi Single frequency WIFI, IEEE 802.11 n/b/g
Network frequency 2G：GSM 850/900/1800/1900 3G：WCDMA 850/900/1700/1900/2100 4G：TD-LTE B38/40/41 4G：FDD-LTE B1/2/3/4/5/7/8/12/20/28
Network technology 4G (China Mobile, China Unicom), 3G
SIM card Dual SIM card (Micro SIM card)
GPS GPS Navigation>, A-GPS Technology>, GLONASS Navigation>, Beidou Navigation>
Bluetooth
NFC
Infrared port
USB 3.5mm headphone jack USB port
Battery
Battery type Removable battery
Battery capacity 2500mAh small battery
Wired charging
Wireless charging
Wireless reverse charging
Features and Services
Three prevention functions
Inductor Light sensor, distance sensor, acceleration sensor, geomagnetic sensor
Other functions Miracast wireless projection
Other information
CPU cores Quad core
GPU graphical controller Qualcomm Adreno305
RAM memory
ROM storage type
Other hardware parameters
Pixel density 294ppi
HDR technology
Contrast
Screen brightness
Screen technology The third generation of Corning Gorilla Glass, JoyScreen technology
Number of shots
Wide Angle
Camera feature
Front video )
5G network
4G network China Mobile TD-LTE, China Unicom TD-LTE, China Unicom FDD-LTE
3G network China Unicom 3G (WCDMA), China Unicom 2G/China Mobile 2G (GSM)
Other network parameters
Battery life Theoretical talk time: 1590 minutes (2G), 1050 minutes (3G) Theoretical standby time: 864 hours Music playback time: 86 hours WLAN network browsing time: 10.8 hours Video playback time: 8.6 hours
Audio formats Support AAC LC/AMR-NB/GSM FR and other formats
Video support Support H.263/H.264/AVC/MPEG-4/VC-1 and other formats
Build, materials
CPU frequency 1.2GHz
System version Windows Phone 8.1
*For reference only, please refer to the actual local sales product information; If any information is found to be incorrect, please send us an email:Support@seemyphone.com

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