Nokia Lumia 630 "to launch mid-April loaded with WP 8.1"

Nokia's update to the Lumia 620 - the Lumia 630 - is expected to launch in mid-April, it's reported.

It's also thought it will be released loaded with Windows Phone 8.1 operating system update.

There will also be a 635 variant with two SIM slots.

We expect the 630 to have a Snapdragon 400 processor, 1GB RAM, 4.5" screen and have virtual touch (Home, Back and Search) keys.