Nokia always gives us some free and useful application for our Nokia devices, last time they launched Nokia Custom Dictionary that very useful to edit the list of words used by the phone for text prediction and transfer it between phones. Then yesterday Nokia introduced an application called Nokia Diagnostics for helping millions of Nokia users to diagnose, troubleshoot, and configure their devices.

The Nokia Diagnostics running various tests on the phone, including five different tests such as Network Coverage test, Internet Connectivity test, Battery charger test, Loudspeaker and Earpiece test. This application works  with all S60 5th Edition devices like Nokia 5800, Nokia N97, Nokia N97 Mini, Nokia 5230, Nokia 5530,  and Nokia X6.

Download Nokia Diagnostics from Here (requires login)