Note: If you are on a Mac, you cannot run the traditional Unisoc driver.

| Problem | Solution | |---------|----------| | Driver install fails – “Third-party INF not signed” | Disable driver signature enforcement (see step 5) | | Device shows as “Unknown” in Device Manager | Install manually via “Have Disk” method | | COM port appears and disappears | Bad USB cable or unstable connection; try USB 2.0 port | | Driver works but flash tool can’t detect | Run flash tool as admin; check correct Brom key combo | | Windows 11 blocks installation | Use via advanced startup | | Multiple COM ports appear | Use the one labeled “SPD UART” or lowest numbered port |