The file format is primarily used for custom premium themes on Infinix , Tecno , and Itel smartphones. These files are often created by community designers to mimic popular interfaces like HyperOS , iOS 19 , or One UI . Where to Download Hot ZTH Themes
Because .zth files are highly specific to individual creators and their custom designs (like replicating iOS or HyperOS skins), there is no single master file to download. They are most commonly distributed by designers via dedicated centered around mobile customization. 📥 How to Find and Download ZTH Files zth theme file download hot