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Microsoft Lumia 640 LTE (2015)

Microsoft Windows 8.1
Qualcomm Snapdragon 400 MSM8926
Adreno 305
1 GB / 8 GB
5 inch (720 x 1280 px)
8 MP, 3264 x 2448 px, autofocus

This phone boasts a 5 inch IPS display, a Qualcomm Snapdragon 400 MSM8926 chipset, and 1 GB of RAM.

Let's dive into what makes this device unique!

Table of Contents

This article shares our personal experiences and thoughts about using the Microsoft Lumia 640 LTE smartphone. We hope to offer helpful insights to others interested in this device.

Microsoft Lumia 640 LTE / 1

Microsoft Lumia 640 LTE specifications

BrandMicrosoft
NameLumia 640 LTE
ModelL640LTE
Release date2015

Weight, dimensions, colors

Weight5.11 oz
Dimensions5.56 x 2.84 x 0.35 inch
Colorsglossy cyan, matte black, orange, white
SIM typeMicro SIM

The weight of the Microsoft Lumia 640 LTE is still considered to be lightweight and portable. A micro SIM is larger than the current standard Nano SIM card but smaller than the older SIM card size.

Microsoft Lumia 640 LTE / 1

System, chipset, performance

OS versionMicrosoft Windows 8.1
SoCQualcomm Snapdragon 400 MSM8926
CPUQuad-core 1.2 GHz Cortex-A7
GPUAdreno 305

The Microsoft Lumia 640 LTE comes with Microsoft Windows 8.1 out of the box. The quad-core mobile CPU can provide fast and efficient performance for mobile games. Smartphones, tablets, and other mobile devices use Adreno GPUs.

Microsoft Lumia 640 LTE / 2

Display type, size, resolution

Display typeIPS
Screen size5 inch
Resolution720 x 1280 px
Multitouch supportyes

People know IPS for its wide viewing angles. It also has accurate color reproduction. The 5 inch display make this smartphone pocket-friendly. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Microsoft Lumia 640 LTE / 3

Memory, storage

RAM1 GB
Internal storage8 GB
Memory card slotmicroSD

1 GB of RAM is not typically considered to be enough for a smartphone. The needed RAM amount for good performance depends on factors. These include the OS, the apps, and the services we use. If we use our smartphones for basic tasks like calling, texting, and browsing the web, 32 GB may be sufficient for our needs. We can expand the internal storage of the Lumia 640 LTE (8 GB) by using a compatible microSD card.

Cameras, flash

Main camera8 MP, 3264 x 2448 px, autofocus
FlashLED
Selfie camera1 MP

This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The Lumia 640 LTE comes with a basic camera setup and lacks any advanced features.

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 b/g/n
Bluetoothv4.0, A2DP
GPSA-GPS, GLONASS, Beidou
NFCyes
FM radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

Worldwide, people use 4G networks. They have become the standard for mobile networks in many countries. This Microsoft phone can connect to Wi-Fi networks at home, at work, or in public places. We can use Bluetooth to connect our Lumia 640 LTE smartphone to many Bluetooth devices. This phone has a built-in GPS receiver. The Lumia 640 LTE has a built-in NFC chip, which allows it to support various NFC applications and services. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Ion 2500 mAh

The Li-Ion 2500 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. We can simply buy a new battery from the open market and interchange it by ourselves.

Features, sensors, specials

Sensorsaccelerometer, compass, light, proximity, sensor core
SpecialsCorning Gorilla Glass 3

Today, smartphones come with many sensors. They help make the user experience better. The Lumia 640 LTE smartphone has an accelerometer. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. Corning Gorilla Glass is a type of chemically strengthened super-glass.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Microsoft phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • microSD slot
  • Corning Gorilla Glass shield

Cons

  • limited-size screen
  • insufficient memory
  • insufficient internal storage
  • single camera setup
  • no OIS function
  • no 5G support
  • no Type-C USB port
  • low-capacity battery
  • no fingerprint reader
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Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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