| Problem | Solution | | --- | --- | | | You skipped driver signature enforcement. Re-do Step 1. | | Jinka 721 keeps disconnecting | Try a different USB port (preferably USB 2.0, not 3.0). | | ADB doesn’t recognize device | Enable USB Debugging on the Jinka 721 (Settings → Developer Options → USB Debugging). | | Driver installs but no file transfer | Change USB configuration from “Charging” to “MTP” on the phone’s notification panel. |
: If the machine isn't detected, try using a rear USB port on your PC, as these often provide more consistent power than front-panel ports. -VERIFIED- Download Usb Driver Jinka 721
: Locate and run the executable (often named setup.exe or GoldCut JK Series.exe ). Select Model and Port : Model : Select Jinka GoldCut JK721 . | Problem | Solution | | --- |
No. MacOS and Linux typically use generic USB drivers (MTP or ADB) without installation. This driver is Windows-only . | | ADB doesn’t recognize device | Enable

