.NTH File Extension
File TypeNokia Series 40 Theme File
This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.
What is an NTH 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.