Nokia Diagnostics, an experimental troubleshooting application
Nokia Diagnostics makes it easy to diagnose and troubleshoot situations on the mobile phone by running various tests on the phone, including:
1. Network Coverage test
2. Internet connectivity test
3. Battery charger test
4. Loudspeaker &
5. Earpiece test
The developers at Nokia beta labs have created this experimental app as to help a lot millions of Nokia users diagnose, troubleshoot, and configure their devices.
Compatibility and system requirements
S60 5th Edition devices like Nokia N97, Nokia N97 Mini, Nokia 5230, Nokia 5530, Nokia 5800, and Nokia X6.
Not compatible with S60 3rd Edition devices yet (coming soon).
By the way to Download this app , you will need to have an account at Beta Labs Nokia , for more info jump here.