Software update for the Microsoft Lumia 640

Latest update

Getting started

Update & verify software

The updates

What's new: Windows 10 operating system, including Built-in Applications (photos, maps, messaging, music, video and more), Cortana (personal assistant), OneDrive (online storage), Secureboot (supports quick and secure reboot), Windows Defender (malicious malware protection), and Windows Store (for access to hundreds of thousands of applications)
What's changing: Improved multi-task and organize capability for improved productivity

The details

Getting started

The Windows 10 upgrade is an opt-in experience:

Download and install the Windows Upgrade Advisor app from the Windows app store.
Check Enable in the Windows Upgrade Advisor app to get the upgrade.
You can download the update via Firmware Over The Air (FOTA).
A Wi-Fi connection is required for the update.

To update the software

Make sure your device is sufficiently charged and connected to Wi-Fi.
From the Windows store, download and install the Windows Upgrade Advisor app to your device.
Open the Windows Upgrade Advisor app.
Enable the checkbox for Enable Windows 10 Upgrade.
If the upgrade is available, you’ll see a message directing you to install the update. Go to your Apps list, then scroll to and tap Settings > Phone Update.
If the upgrade isn’t yet available for your device, you’ll see a message advising the update is not yet available and to check back at a later date.
If the device isn’t eligible at all for the upgrade to Windows 10, you will see a screen informing you of the same.

To verify the software update

From the Start screen, scroll to and tap Settings.
Tap About > More Info.
The device has the latest software if the information under New Software Specifications matches the current update details.

Visit your device manufacturer's website.

Here's your device's complete instructions, specs and more.

Check your upgrade eligibility

Get help with your wireless device, plan, and more.