Microsoft's research division has come up with a new concept for smartphone covers that adds a secondary display, expanding screen real estate for content without buying a larger phone.
Microsoft is dropping support for the Lumia 640 and Lumia 640 XL with the Windows 10 Mobile Fall Creators Update (Version 1709).
A new study of the cellular antennas inside 26 smartphones shows that the Lumia 640 and Lumia 650 both get high marks in signal strength.
AT&T is now rolling out Windows 10 Mobile for the Lumia 640. Those with the handset should be able to download and update their device to the latest release of Microsoft's OS.
Cricket Wireless is currently selling the Lumia 640 for $29.99. It has also cut the price of the recently launched Lumia 650 by $10 to $119.99.
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Best Buy has cut the price of AT&T's no-contract version of the Lumia 640 to just $29.99, which is about half off compared to its normal $59.99 price tag.
The LTE versions of the Lumia 640 and 640 XL appear to be receiving a firmware update in Latin America. The update comes with no visible changes, but it bumps the firmware version to 02177.00000.16025.27003.
Walmart is currently selling the pre-paid, no-contract AT&T Lumia 640 smartphone for just $29.88.
T-Mobile in Poland has reportedly started its over-the-air updates for its version of the Lumia 640 to Windows 10 Mobile. If accurate, it would be the first such carrier to begin such updates for older Windows Phone devices.
AT&T GoPhone is currently offering the Lumia 640 at the discounted price of $19.99 during the holidays.
The Microsoft Store site is currently selling the no-contract AT&T Lumia 640 smartphone for just $39, a $21 savings from its normal price.
A software update chart from Vodafone Australia shows that it has pre-tested Windows 10 Mobile for its versions of the Lumia 630 and Lumia 640, but there's no release date yet.
Best Buy is currently offering a deal on Microsoft's Lumia 640, dropping the price of the smartphone down to $60. The Lumia 640 features a 5-inch display, 1GB of RAM, 8GB of storage and a microSD slot for expansion if needed.
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Windows Phone may be struggling, but despite the lack of flagships and the app-gap, it holds on despite the odds.The latest numbers from AdDuplex and IDC show that budget phones like the Lumia 640 are keeping Redmond in the mobile game even in 2015.
Should you purchase a Lumia 640 or Lumia 640 XL, you could be in with the chance to win a trip to Abu Dhabi and meet Lotus F1 Team star Romain Grosjean.
T-Mobile has confirmed that it has stopped selling its version of Microsoft's Lumia 640 on its website, just over two months after the carrier started selling the Windows Phone device.
The August AdDuplex numbers reveal that the Lumia 640 is picking up speed in the US and the Lumia 640 XL is doing okay in India. Windows 10 Mobile is also now on 1 out of every 30 Windows Phones, which is not bad for a beta OS.
AT&T has started selling the Microsoft Lumia 640 Windows Phone on its website with no fanfare. The smartphone is being offered via AT&T's pre-paid GoPhone lineup for $79.99