– Apple does not endorse third‑party iOS management tools. However, the iTunes‑style file‑transfer protocol is publicly documented, and tools like Copytrans operate within the boundaries of Apple’s driver stack. Using the software does not void the iOS warranty, but it is wise to keep your iPhone’s iOS version up‑to‑date to avoid compatibility glitches.

– Navigate to the developer’s home page (search for “Copytrans official website” or “Julius‑Software Copytrans”). The site will display the latest version number; if 4.842 is still listed as the current stable build, you can download the installer directly from there.