• Windows Phone smartphones Microsoft Lumia 640 and Microsoft Lumia 640 XL are developed by Microsoft Mobile.

Windows Phone smartphones Microsoft Lumia 640 and Microsoft Lumia 640 XL are developed by Microsoft Mobile. (Photo : YouTube)

Online technology store Expansys recently made a significant cut off the official price of the Microsoft Lumia 640 and the Microsoft Lumia 640 XL.

The online retailer offers a 17 percent discount for the Lumia 640 putting the smartphone's price at $174.99, a significant cut compared to the original price tag of $209.99. On the other hand, the Lumia 640 XL receives a 31 percent discount putting the larger of the two smartphone's price at $199.99 from the original price tag of $289.99. According to Phone Arena, both models of the Lumia on sale are unlocked which means that it can run on any carrier or network.

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Before the sale, Expansys claim that the Lumia 640 XL has outsold several Android models on its online retail store. The Lumia 640 XL has a 5.7-inch screen with a 720 x 1280 resolution. The smartphone is powered by a Qualcomm Snapdragon 400 chipset with a quad-core CPU clocked at 1.2GHz and an Andreno 305 graphics processing unit. It has 1GB of internal memory and 8GB of storage which is expandable via the microSD slot.

The Lumia 640 XL has 13-megapixel main camera and a 5-megapixel front facing secondary camera. It also has a 3,000 mAh battery

The Lumia 640 has a smaller 5-inch display screen with a 720 x 1280 resolution. Most of the phone's hardware is similar to the larger Lumia 640 XL except for the camera and battery. The Lumia 640 has a 2,500 mAh battery, an 8-megapixel main camera and a .9-megapixel front facing secondary camera.

The discount offered by Expansys is a permanent price cut and not a limited sales offer.