Recently, Microsoft has listed 1GB RAM variant of Nokia Lumia 635 in the company website. We have also seen that EE UK was offering Microsoft Nokia Lumia 635 in half price, for just £49.99 with £20 topup.
The Lumia 635 was launched with Windows Phone 8.1 and Lumia Cyan in mid-2014, now can be purchased through eBay store. In addition to the 1GB RAM, the Lumia 635 is also equipped with a Snapdragon 400 processor with Sensorcore technology, a 4.5″ 480p screen and is 8GB of internal storage is expandable to 128GB via Micro SD slot.
Source : eBay UK