Microsoft Lumia 640 LTE Dual SIM

Home/ Microsoft/ Phones/ Lumia 640 LTE Dual SIM

Table of Contents

Summary

Microsoft Lumia 640 LTE Dual SIM Price

At the time of it's release in 2015, April, the manufacturer's retail price for a new Microsoft Lumia 640 LTE Dual SIM was about 150 EUR.

The retail price of a new or used/second hand Microsoft Lumia 640 LTE Dual SIM varies widely depending on factors including availability, condition of device, your town or location and market demand. Click here to compare the price of Microsoft Lumia 640 LTE Dual SIM across different regions, markets and countries.

Frequently Asked Questions(FAQs)

How to reset or factory restore Microsoft Lumia 640 LTE Dual SIM device?

Sure, I'd be happy to help you with that information. Here are the most common and recommended ways to reset or factory restore a Microsoft Lumia 640 LTE Dual SIM device: Method 1: Hard Reset The hard reset is the most reliable method to reset your device to its factory settings. Here are the steps to perform a hard reset on a Lumia 640 LTE Dual SIM device: 1. Turn off your device. 2. Press and hold the Power button and the Volume Up button simultaneously until the Lumia logo appears. 3. Release the Volume Up button, and press and hold the Power button until the "Reset your phone to its original state" message appears. 4. Press and hold the Volume Down button until the "Yes - delete all user data" message appears. 5. Release the Volume Down button and press and hold the Volume Up button until the device restarts. Method 2: Software Update You can also reset your device to its factory settings by using a software update. Here are the steps to perform a software update reset on a Lumia 640 LTE Dual SIM device: 1. Go to Settings > Storage > Factory Reset. 2. Type the confirmation PIN when prompted. 3. Wait for the device to reset to its factory settings. Method 3: Recovery Tool Another way to reset your device is to use the Microsoft Device Manager recovery tool. Here are the steps to perform a recovery tool reset on a Lumia 640 LTE Dual SIM device: 1. Go to the Microsoft support website and download the Microsoft Device Manager recovery tool. 2. Connect your device to a PC using a USB cable. 3. Run the recovery tool on the PC and follow the prompts to reset your device to its factory settings. It is important to note that all of these methods will erase all data on your device, so make sure you have backed up any important files. Additionally, resetting your device may void your warranty, so use these methods as a last resort.

What is the battery capacity of Microsoft Lumia 640 LTE Dual SIM?

2500 mAh

What is the display size of Microsoft Lumia 640 LTE Dual SIM?

5.0 inches

What is the RAM size of Microsoft Lumia 640 LTE Dual SIM?

1 GB

Specifications

Network

Technology: GSM / HSPA / LTE
2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands: HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
Speed: HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch

Announced: 2015, March. Released 2015, April
Status: Discontinued

Body

Dimensions: 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight: 145 g (5.11 oz)
SIM: Dual SIM (Micro-SIM, dual stand-by)

Display

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

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: microSDXC (dedicated slot)
Internal: 8GB 1GB RAM
: eMMC 4.5

Main Camera

Single: 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features: LED flash
Video: 1080p@30fps

Selfie camera

Single: 1 MP
Video: 720p

Sound

Loudspeaker: Yes
3.5mm jack: Yes

Comms

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

Features

Sensors: Accelerometer, proximity, compass

Battery

Type: Li-Ion 2500 mAh, removable
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
Price: About 150 EUR

Tests

Display: Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker: Voice 70dB / Noise 65dB / Ring 75dB
Audio quality: Noise -93.1dB / Crosstalk -93.2dB
Battery life: Endurance rating 76h