You won't receive official updates from the Google Play Store. To update, you’d have to find and download a newer modded version manually, which increases the risk of infection.
When you see a version labeled as "15.6 (Patched)," it generally includes the following modifications: 1DM Mod APK 15.6 (Patched).apk
1DM is one of the most advanced download managers available for Android. It supports: for faster speeds. Torrent downloading (magnets and .torrent files). Video grabbing from almost any website. Built-in browser with ad-blocking features. Content of the "Mod/Patched" Version You won't receive official updates from the Google
The file is a modified (modded) version of 1DM (formerly IDM), a popular download manager for Android . The "Patched" or "Mod" label typically means the app's premium features—which normally require a paid license—have been unlocked for free. What is 1DM? It supports: for faster speeds
The "Patched" part usually refers to bypassing Google Play’s license check so the app doesn't realize it wasn't purchased.
Modded files can contain malware, spyware, or keyloggers . Since the original code has been tampered with, there is no guarantee of safety.