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More sustainable than new

Microsoft Lumia 640 LTE 8GB - Black - Unlocked

£35.00
before trade-in
Free delivery by 2 May - 6 May
Express delivery by 1 May-2 May from £5.00

All devices are restored professionally based on a 25-point inspection

  • Buttons
  • SIM and/or memory card reader
  • Data deletion
  • Chargers and/or cables
  • Unlocking
  • GPS and/or positioning system
  • Cameras
  • External sensors
  • Biometric sensors
  • WiFi and Bluetooth
  • IMEI serial number
  • Oxidation
  • Flash and indicator lights
  • Mics and speakers
  • Input and output ports
  • Phone carrier
  • Battery health
  • Mechanical parts
  • Parts compatibility
  • Screen
  • Other features specific to this device

Ta-da!

Microsoft Lumia 640 LTE 8GB - Black - Unlocked
Microsoft Lumia 640 LTE
ExcellentStandard battery8 GBBlack
£35.00
before trade-in

Proudly refurbished by GSM TECH COM LIMITED (United Kingdom)

Free delivery by 2 May - 6 May
Express delivery by 1 May-2 May from £5.00

Comes with

Compatible charging cable

Microsoft Lumia 640 LTE 8GB - Black - Unlocked: customer reviews

3.6/5

5 verified reviews in the last 24 months.

  • E

    Evans A.

    Purchased on the 30 May 2023

    Verified purchase
    3.9/5

    So far so good

    Reviewed in United Kingdom on 26 March 2025

  • M

    Mercy A.

    Purchased on the 23 May 2023

    Verified purchase
    3/5

    There no what’s app on the phone and very slow

    Reviewed in United Kingdom on 26 March 2025

  • B

    Bérengère G.

    Purchased on the 14 July 2024

    Verified purchase
    3/5

    The phone does not connect to the internet.

    Translated from French

    Reviewed in France on 27 April 2025

See all 5 reviews

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Reborn vs. brand new

Here’s what you help prevent on average by choosing a reborn smartphone over a brand new one.

77.3 kg of carbon

That’s like driving an old banger from London to Edinburgh and back.

6.3 oz of e-waste

That’s around the weight of a baseball.

537.1 lbs of raw materials

That's like 20 dogs digging in your yard for a week.

77,000 litres of water

That's like running a faucet for 3 days

Everything you ever wanted to know about the Microsoft Lumia 640 LTE 8GB - Black - Unlocked

  • Durability

  • Overall performance

  • Camera

  • Screen quality

  • BlackColour

  • 8 GBStorage

  • 1 GBMemory

  • Microsoft Lumia 640 LTEModel

  • NoRetro tech

  • IPS LCDScreen type

  • micro USB + Jack 3.5mmConnector

  • 1 megapixelsFront camera

  • Microsoft Corp.Company name

The Microsoft Lumia 640 LTE is a reliable smartphone that offers a straightforward user experience, ideal for those who appreciate simplicity in their mobile devices. Launched in early 2015, this model still serves well for basic tasks and communication.

Key features:
  • Release Date: March 2015
  • Display: 5.0-inch HD IPS LCD
  • Processor: Quad-core 1.2 GHz Cortex-A7
  • Camera: 8MP rear camera with LED flash
  • Operating System: Windows Phone 8.1, upgradable to Windows 10 Mobile
Who is this for?

The Microsoft Lumia 640 LTE is best suited for users who need a functional smartphone for everyday tasks such as calling, texting, and browsing social media. It’s a practical choice for seniors or those new to smartphones who prefer a straightforward interface without the complexities of more advanced devices.

Pros & Cons:
Pros Cons
Lightweight and easy to handle. Limited app availability compared to Android and iOS.
Decent camera for casual photography. Older operating system may not support newer apps.

Why refurbished?

Choosing a refurbished Microsoft Lumia 640 LTE allows you to access a functional smartphone while being environmentally conscious. Back Market ensures that all devices undergo rigorous testing to meet quality standards, providing a reliable option for users. Learn more about our quality standards.

Microsoft Lumia 640 LTE 8GB - Black - Unlocked
ColourBlack
Storage8 GB
Memory1 GB
ModelMicrosoft Lumia 640 LTE
Retro techNo
Screen typeIPS LCD
Connectormicro USB + Jack 3.5mm
Front camera1 megapixels
Company nameMicrosoft Corp.
SeriesMicrosoft Lumia
Company email addresscustomer.service@microsoft.com
Company postal addressMicrosoft Campus, Thames Valley Park, Reading, Berkshire, RG6 1WG, UK
SIM cardPhysical SIM
Main camera8 megapixels
Colour (official name)Matte black
SD Card SlotmicroSDXC
FoldableNo
Compatible with latest UpdateNo
Manufacturer RefA00024357
Network4G
Resolution720 x 1280
SAR head0.60
Screen size (in)5
Carrier compatibilityUnlocked
Year of Release2015
BrandMicrosoft
Weight145 g
  • 1-year minimum warranty
  • Free delivery on all items
  • Free 30-day returns
  • Excellent customer support