Lumia 640 is one of the most popular Windows Phone devices on the market right now and it’s also upgradeable to Windows 10 Mobile, so when you come across a hefty discount, there’s no doubt that you should buy the phone if you’re a WP fan.



And if you’re living the United States or in the United Kingdom, the Lumia 640 is once again available with a price cut that makes it quite affordable.
Microsoft’s selling the device through its Amazon store for just $73.5 in the United States, while those in the United Kingdom can get it for £99.95 ($145/€130). In both cases, the Lumia 640 comes unlocked, so you’re not tied to a contract and can use them in any network.
If you live in the United States and you’re on AT&T, here’s an even bigger discount. The Lumia 640 can be yours for just $44 (€39) without a contract, but it’s worth knowing that the device is locked in AT&T.
Lumia 640 comes with a 5-inch display with, a Snapdragon 400 processor, 1 GB of RAM, and 8 GB of storage space. It’s one of the devices that can be upgraded to Windows 10 Mobile, which should make it a top choice for those who want a phone that can run Microsoft’s latest operating system without spending a fortune on a Lumia 950 or 950 XL.