how to charge Nokia 5800 with USB cable. you cann’t charge nokia 5800 XpressMusic with its original usb cable. it can only be used as a data cable. but you can use nokia handy USB charger to charge it. or you have to use the charging port on the phone. It is not good for us to charge phone when we are using the computer. Many smart phones can use it usb to charge phone. maybe the nokia want to let us buy more accessories:

Nokia Charger via USB port CA-100 – Flexible charging

This handy USB charger lets you charge your compatible Nokia phone, device, or accessory from the USB port on your laptop or computer. Especially suited to multimedia devices which consume a lot of power. Travel light with the Nokia Charger via USB port CA-100. Nokia Charger via USB port CA-100 is compatible with all phones and accessories with 2mm plug.

Tags: charge Nokia 5800, USB cable