The File Extensions Database


.NTH File Extension

  • Developer by: Nokia
  • Category: Misc Files
  • Format: Zip

What is an .NTH file?

.NTH is Nokia Series 40 Theme File

An NTH file contains a theme used for customizing the look and feel of a Nokia Series 40 mobile phone. It includes background images, icons, ringtones, and other custom options. NTH files are created using the Nokia Series 40 Theme Studio application.

NTH files are distributed in a compressed .ZIP format. Therefore, you can rename their extension to ".zip" and open them with any Zip decompression utility.

How to solve problems with NTH files

  • Associate the NTH file extension with the correct application. On :
    Windows: Right click on any NTH file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.NTH files". Mac: Right click (or Ctrl-click) the NTH file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .NTH is Nokia Series 40 Theme File. Because only the current version supports the latest NTH file format. Search, therefore, e.g. on the Nokia manufacturer website after an available .NTH is Nokia Series 40 Theme File update.
  • To make sure that your NTH file is not corrupted or virus-infected, get the file again and scan it with antivirus software.