You can either use Nokia's Remote Device Access (Nokia Account Required) or use Nokia Screen Dumper to take screenshots. Follows these steps: 1. Exit Nokia Suite or Nokia Ovi Suite or Nokia PC Suite from taskbar & processes. 2. Run NSD 2.0 3. Connect your phone in Nokia Suite or Nokia Ovi Suite or Nokia PC Suite mode (whichever appears on your phone's screen). 4. Connect your phone from File>Connect after successful connection it will show a message (if the phone's isn't connected, it will show nothing). 5. Click Dump (make sure your phone is unlocked & screen is on). It'll take screenshot of that screen which is open in your phone. 6. To save click Save & give it a desired name & choose your desired format & save.
If NSD isn't working you can use Nokia RDA. Follow these steps: 1. Register your account at [link] (if you don't have one). 2. Under Devices menu there is Remote Device Access option. Click on it make sure you have all requirements (if the RDA isn't working on Chrome, Firefox, etc, use Internet Explorer). 3. Choose your device & reserve it for your required time of testing. 4. After successful download & install, a panel will open & phone's screen will show up. To test theme click Install Software & it'll take some time to install & the theme will appear in Gallery of phone. 5. Apply it (If theme contains of Flash Lite Clock, it may not appear. To make it appear hover on theme for 3 seconds and press back). 6. To take Screenshot click on Screenshot button at top & you can also record the screen if you develop app & want to show full UI of your app. (Improve pic quality by sliding the button on top right corner)