While we are busy with the new windows phone goodies like file manager “Files” and WhatsApp, Nokia in China is set to release another Lumia called the 638, which is said to be just like the Lumia 630 but with a giga byte of RAM. Nokia Lumia 638 specifications include dual SIM and 4G mobile connectivity. In fact it is already available for pre-sale on Chinese e-commerce website, Shanxi mobile. So the only difference between Lumia 630 and 638 is 1 GB of Ram and 4G Connectivity.
The Nokia Lumia 638 will come with1.2GHz Quadcore Qualcomm Snapdragon 400 processor and 1 gigabyte of RAM with LTE connectivity.
The starting price of new windows phone is 1129 Chinese Yuan that is around $191. You can pre-order it here.