Lumia 640 Dual SIM - Microsoft Mobile Phones: Technical Specifications, Features and Reviews

Submitted By Asha Manoj on 1 December 2015

Microsoft Mobile Phone Lumia 640 Dual SIM

Manufacturer : Microsoft
Model : Lumia 640 Dual SIM
OS : Microsoft Windows Phone 8.1 with Lumia Denim
Network : GSM / HSPA
Dimensions : 141.3 x 72.2 x 8.8 mm
Weight : 145 g
SIM Type : Dual SIM (Micro-SIM, dual stand-by)
Available Colors : Glossy cyan, Orange, White, Matte black

The Microsoft Lumia 640 Dual SIM is a smartphone, features a 5-inch IPS ClearBlack multi touch display with HD resolution and a pixel density of 294ppi. On the inside, It is packed with a 1.2GHz quad-core Cortex A7 processor from Qualcomm Snapdragon 400 chipset.

The smartphone features an 8MP autofocus rear facing camera and for selfie and video calling, it houses a 1MP front camera. It comes with an inbuilt memory of 8GB which can be further expanded up to 128GB. It is fuelled by a 2,500mAh Li-ion battery. Connectivity option includes 3G, NFC, tethering, DLNA, computer sync, Wi-Fi, USB port, OTA sync, GLONASS, Bluetooth v4.0 and GPS/A-GPS.

Hardware Specification

Processor : Quad-core 1.2 GHz Cortex-A7
RAM Size : 1 GB
Internal Storage : 8 GB
Expandable Storage : microSD, up to 128 GB

Display Specification

Display Type : IPS LCD capacitive touchscreen, 16M colors
Display Size : 5.0 inches
Touchscreen : Yes
Display Resolution : 720 x 1280 pixels
Display Multitouch : Yes
Display Protection : Corning Gorilla Glass 3
Main Camera : 8 MP
Main Camera Flash : Yes
Main Camera Auto Focus : Yes
Main Camera Video Recording Resolution : 1080p@30fps
Front Camera : 1 MP

Battery Specification

Battery Capacity : Li-Ion 2500 mAh
Talk Time : Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)

Connectivity

Standby Time : Up to 840 h (2G) / Up to 840 h (3G)
Operating Frequency : 850 / 900 / 1800 / 1900 MHZ, 850 / 900 / 1900 / 2100 MHZ
Connectivity Internet : Yes
Connectivity 3G : Yes
Connectivity WiFi : Wi-Fi 802.11 b/g/n, DLNA, hotspot
Connectivity Bluetooth : v4.0, A2DP
Connectivity USB : microUSB v2.0
Connectivity FM : Yes

Location Technology

Location GPS : Yes
Location Glonass : Yes
Location Beidou : Yes

Sound

Alert Types : Vibration; MP3, WAV ringtones
Loudspeaker : Yes
Mobile Earjack : 3.5 mm

Audio and Video

Video Playing Format : MP4/H.264/WMV player
Audio Playing Format : MP3/WAV/eAAC+/WMA player

Sensors

Accelerometer Sensor : Yes
Proximity Sensor : Yes