Lenovo A7000a Flash File Tested Extra Quality |link| -

: Avoid flashing a preloader from a different model (like the A7000 Plus or K3 Note) as it can cause permanent damage Lenovo A7000 plus Custom ROM resources.md - GitHub Gist

Re-install the VCOM drivers and try a different USB port (preferably on the back of the PC if using a desktop). lenovo a7000a flash file tested extra quality