Nokia in the run-up to its Nokia World show next week launched a touchscreen phone made to give it a better foothold in budget touchscreen smartphones. The 5230 is sometimes more advanced than the more expensive 5530 XM and adds both 3G as well as data-assisted GPS; in return, it drops Wi-Fi and scales back to a 2-megapixel camera. It still holds on to the 640x360 touch display, 3.5mm headphone
